• A clone is an organism that is a genetic copy of an existing one. (who.int)
  • 2. Nuclear transfer is a technique used to duplicate genetic material by creating an embryo through the transfer and fusion of a diploid cell in an enucleated female oocyte.2 Cloning has a broader meaning than nuclear transfer as it also involves gene replication and natural or induced embryo splitting (see Annex 1). (who.int)
  • Nobel Prize-winning geneticist Joshua Lederberg advocated cloning and genetic engineering in an article in The American Naturalist in 1966 and again, the following year, in The Washington Post. (wikipedia.org)
  • The Human Genome Initiative, a "big science" project launched by the U.S. government to map and sequence the entire human genome, has heightened concerns about the privacy and confidentiality of genetic information, the uses to which such information might be put, and the possibility of stigmatizing individuals or groups because of their genetic constitution. (encyclopedia.com)
  • Are efforts to improve human intelligence, appearance, or other attributes by genetic means essentially different from the traditional methods of education, physical or mental training, or behavior modification (President's Commission for the Study of Ethical Problems 1982)? (encyclopedia.com)
  • A third view says that cloning will provide for the possibility of improvement by giving birth to children who are free of birth defects, because when any two people create a child through sex there is the possibility for genetic defects. (bartleby.com)
  • However, since clones are the exact replicas of someone already alive, their genetic dispositions will have already surfaced. (bartleby.com)
  • Recent experimentation that has cultured lab-grown monkey embryos for up to 20 days and the possibility of creating human-monkey chimeras - beings that contain genetic codes from two different species - has further pushed the envelope on embryonic stem cell research. (thetablet.org)
  • Positive Eugenics the preferential breeding of so-called superior individuals in order to improve the genetic stock of the human race. (ewtn.com)
  • Mammal cloning-which involves a similar genetic modification of eggs-can lead to terrible developmental problems during gestation and born clones often have significant health concerns. (catholiclane.com)
  • A clone is a copy of a substance that shares the same genetic make-up as the original. (geminigenetics.com)
  • After being free from human interference and the addition of new cattle for over 1000 years, this UK Native breed are considered so genetically similar that they are in fact, genetic clones of each other. (geminigenetics.com)
  • The process of reproductive cloning involves the nucleus of a somatic (body) cell from a donor organism to be cloned being transferred into an egg cell whose nucleus (genetic material) has been removed. (geminigenetics.com)
  • The surrogate mum carries the cloned pet for the gestation period and once ready, gives birth to the clone who will be an identical genetic twin to the original pet whose skin sample was used to make the nucleus of the donor egg cell. (geminigenetics.com)
  • This branch of science is called transgenics - the intermingling of human and non-human genetic information. (sentientdevelopments.com)
  • Research advocates attack President Bush for "banning stem cell research," while pro-life advocates lament a Republican administration and Congress that have banned nothing-not embryo destruction, not human cloning, not fetal farming, not genetic engineering. (eppc.org)
  • And by sexual , it means reproduction that involves the coming together of genetic material from two parents so as to produce offspring. (biologyonline.com)
  • A ABSTRACT Modern advances in human genetic and reproductive technologies are among the recent developments disturbing the balance between the spiritual and the material components of life. (who.int)
  • This paper gives an Islamic perspective on some of these advances, including abortion, in vitro fertilization, genetic engineering, cloning and stem cell research. (who.int)
  • Genetic material is transferred from generation to generation through reproduction.Sometimes changes in the composition of DNA occur due to crossing over of genetic material in meiosis in sexually reproducing organisms. (crackcbse.in)
  • It is widely used by horticulturists to obtain variety in the yield as compared to the native plant and further clone it since the genetic material remains unchanged. (crackcbse.in)
  • The International IVF Initiative is a non-profit global educational project for the Assisted Reproductive Technologies (ART) community. (ivfmeeting.com)
  • New technology can be a catalyst for our thinking about issues of life, and we can think of the examples like assisted reproductive technologies, life sustaining technology, organ transplantation, and genetics, which have been stimuli for research into bioethics in the last few decades. (eubios.info)
  • Through reproductive cloning, a new multicellular organism is created, genetically identical to another. (listverse.com)
  • … "embryo" means a human organism during the first 56 days of its development following fertilization or creation, excluding any time during which its development has been suspended, and includes any cell derived from such an organism that is used for the purpose of creating a human being. (hinxtongroup.org)
  • Reproduction from a single organism. (doctorwho.tv)
  • This is the most known form of cloning and involves creating a genetically identical replica of a whole organism. (geminigenetics.com)
  • The related concept of Longevity Determination , however, is the result of a species-specific genomic expression during early development that positions the somatic tissues of an organism to survive long after its reproductive period has been completed. (agemed.org)
  • Stem cell research is, in part, a quest to understand cellular differentiation, the process by which a human being develops from one fertilized cell into a multicellular organism composed of over 200 different cell types - for example muscle, nerve, blood cell, or kidney. (jcpa.org)
  • In 2004 and 2005, Hwang Woo-suk, a professor at Seoul National University, published two separate articles in the journal Science claiming to have successfully harvested pluripotent, embryonic stem cells from a cloned human blastocyst using SCNT techniques. (wikipedia.org)
  • In SCNT they take the nucleolus out of an egg cell, replace it with the nucleolus of a somatic cell (body cell with two complete sets of chromosomes), and make the egg cell divide into a blastocyst ("What Is Cloning? (bartleby.com)
  • A blastocyst (cloned or not), because it lacks any trace of a nervous system, has no capacity for suffering or conscious experience in any form - the special properties that, in our view, spell the difference between biological tissue and a human life worthy of respect and rights. (wikiquote.org)
  • Additional biological facts suggest that a blastocyst should not be identified with a unique individual person, even if the argument that it lacks sentience is set aside. (wikiquote.org)
  • Up to 14 days a human blastocyst - the earliest stage of fetal development - consists almost entirely of pluripotent cells, which are those that could develop into the constitutive elements of any organ in the human body. (thetablet.org)
  • Therapeutic cloning involves the creation of an early-stage embryo (blastocyst) and the removal of stem cells from the developing embryo. (geminigenetics.com)
  • 5. In 2001, France and Germany requested the United Nations General Assembly to develop international conventions on human reproductive cloning, therapeutic cloning and research on stem cells. (who.int)
  • Two commonly discussed types of human cloning are therapeutic cloning and reproductive cloning. (wikipedia.org)
  • Therapeutic cloning would involve cloning cells from a human for use in medicine and transplants. (wikipedia.org)
  • Two common methods of therapeutic cloning that are being researched are somatic-cell nuclear transfer and (more recently) pluripotent stem cell induction. (wikipedia.org)
  • these are the "holy grail" that would be useful for therapeutic or reproductive cloning. (wikipedia.org)
  • Therapeutic cloning refers to the production of embryonic stem cells for medicinal reasons, for example regenerative medicine and tissue replacement. (geminigenetics.com)
  • Human cloning is the creation of a genetically identical copy of a human. (wikipedia.org)
  • In biology , cloning is the process of producing similar populations of genetically identical individuals that occurs in nature when organisms such as bacteria , insects or plants reproduce asexually . (wikiquote.org)
  • The word "cloning" refers to a variety of procedures that may be used to create biological copies that are genetically identical to the original. (geminigenetics.com)
  • Pet cloning is the process where a genetically identical twin is created of your original animal companion. (geminigenetics.com)
  • She is the author of numerous publications and The Thin Pink Line (Nova Science publishers, 2021), a critical exploration of historical perspectives and controversial topics in modern gynecology from birth control to sterilization, to episiotomies and the "husband stitch," to "educational" pelvic exams, shackling laboring convicts, gender affirming surgery, human embryo research, assisted reproduction and more. (ivfmeeting.com)
  • Supporters, on the other hand, say it's a form of reproductive autonomy, and that well-informed and well-intentioned parents - in conjunction with the laws and their fertility doctor - are well within their rights. (sentientdevelopments.com)
  • Her PhD. research focused on animal cloning and her postdoctoral fellowship focused on human embryonic stem cell research. (ivfmeeting.com)
  • Human embryonic stem cell research began in the 1990s. (thetablet.org)
  • Modern genetics and technological aids to human reproduction, like other advances in science and technology, have created ethical problems heretofore unencountered. (encyclopedia.com)
  • This entry addresses these philosophical concerns as well as the more widely discussed ethical implications of contemporary genetics and reproductive technologies. (encyclopedia.com)
  • The knowledge the Human Genome Project can yield is massive in contrast to previous efforts to acquire information about human genetics. (encyclopedia.com)
  • The science of eugenics is merely the use of applied genetics to solve the problem of improving the health of the entire human race by improving the health of individuals. (ewtn.com)
  • The easy-to-follow discussion of the ecosystem and its interconnectivity, plant reproduction, theory of natural selection, evidence for evolution, and genetics will seem comprehensible to you. (campuscareerclub.com)
  • With the cloning of a sheep known as Dolly in 1996 by somatic cell nuclear transfer (SCNT), the idea of human cloning became a hot debate topic. (wikipedia.org)
  • In January 2008, Dr. Andrew French and Samuel Wood of the biotechnology company Stemagen announced that they successfully created the first five mature human embryos using SCNT. (wikipedia.org)
  • In this experiment, the researchers developed a protocol for using SCNT in human cells, which differs slightly from the one used in other organisms. (wikipedia.org)
  • Somatic cell nuclear transfer (SCNT) is a type of cloning that has to be done in a lab. (bartleby.com)
  • Indeed, if passed, Hatch/Feinstein/Kerry would explicitly legalize doing in humans the very cloning procedure -- somatic cell nuclear transfer (SCNT) -- that was used to make Dolly the sheep . (lifeissues.net)
  • Comment: Indeed, if passed, "total cloning bans" H.R. 534, H.R. 234, H.R. 916, and S. 245 would not ban anything either - not even the SCNT cloning technique that was used to make Dolly the sheep. (lifeissues.net)
  • Students often say that before they took this course, they had no idea biological sex characteristics could be so diverse, despite having taken several biology courses. (ingrouppress.com)
  • 1974. In: Biological handbooks: Biology data book. (cdc.gov)
  • A new field of research in reproductive biology was heralded by the discovery of melatonin in 1958. (veterinarskiglasnik.rs)
  • In your first year, your modules give you an insight into various biological and chemical disciplines, including biochemistry, cell and molecular biology, microbiology and physiology. (kent.ac.uk)
  • Dolly the sheep was cloned in 1996. (thetablet.org)
  • The cloning of 'Dolly The Sheep' in 1996 by the Rosalind Institute in Scotland, UK, is the most recognised example of reproductive cloning. (geminigenetics.com)
  • TORONTO (CNS) - The international scientific body governing stem cell research is abandoning the absolute 14-day limit on culturing human embryos in the laboratory, putting pressure on Canada's law prohibiting the practice. (thetablet.org)
  • On May 26, the International Society for Stem Cell Research said it was relaxing the 14-day rule, which prohibited experiments on human embryos past 14 days of development in the lab. (thetablet.org)
  • Rather than replace or extend the limit, the ISSCR now believes studies proposing to grow human embryos beyond two weeks should be considered on a case-by-case basis, subject to several phases of review. (thetablet.org)
  • Eligible Australian women with a diagnosis of mitochondrial disease may have access to mitochondrial donation under amendments to the Research Involving Human Embryos Act 2002 and the Prohibition of Human Cloning for Reproduction Act 2002 which took effect in October 2022. (nhmrc.gov.au)
  • The UK rubber stamp Embryo Authority has approved the manufacture of three-parent human embryos . (catholiclane.com)
  • Recording and contextualizing the science of embryos, development, and reproduction. (asu.edu)
  • Citizens disagree about whether we should destroy human embryos for their stem cells-and if so, which embryos, with whose money, under what regulatory guidelines. (eppc.org)
  • That is to say, we risk turning developed cells into developing embryos, and thus risk engaging in the very activities of embryo destruction and human cloning that we seek to avoid. (eppc.org)
  • But we need to proceed carefully, recognizing that we are gaining new powers over human origins even when we do not use human embryos, and recognizing the danger of blurring the line between cellular parts and embryonic wholes. (eppc.org)
  • Far more controversial-and for good reason-are stem cells derived from destroyed human embryos. (eppc.org)
  • WHA50.37 of 1997 argues that human cloning is ethically unacceptable and contrary to human integrity and morality. (who.int)
  • But Takashi Shinohara, a reproductive biologist at Kyoto University in Japan, is among researchers who have doubts about the work: he notes that scientists have struggled to replicate several previous claims that sperm can be made in a dish. (scientificamerican.com)
  • Now, Xiao-Yang Zhao, a development biologist at the Southern Medical University in Guangzhou, and Qi Zhou, a cloning specialist and stem-cell biologist at the Institute of Zoology in Beijing, along with colleagues from Nanjing Medical University, say that they have trumped Saitou's work by carrying out more of the process in a dish. (scientificamerican.com)
  • The fact that the resulting cell could be injected into an egg and produce a viable animal is a stringent test," says Allan Spradling, a reproductive biologist at the Carnegie Institution for Science in Baltimore, Maryland. (scientificamerican.com)
  • 3. Creating awareness among ministries of health in the African Region will provide them with critical and relevant information on the reproductive cloning of human beings and its implications to the health status of the general population. (who.int)
  • The Ethical Debate Concerning Cloning In the year that has elapsed since the announcement of Dolly's birth, there has been much discussion of the ethical implications of cloning humans. (bartleby.com)
  • … "human clone" means an embryo that, as a result of the manipulation of human reproductive material or an in vitro embryo, contains a diploid set of chromosomes obtained from a single - living or deceased - human being, fetus, or embryo. (hinxtongroup.org)
  • The human genome, for example, consists of 46 chromosomes arranged in 23 pairs. (learner.org)
  • For humans, we know there are 46 chromosomes in body cells existing as 23 pairs. (learner.org)
  • Before the first occurs, all of the chromosomes are duplicated just as they are in body cell reproduction, but what happens next is different: the two duplicated strands remain attached to each other as the members of each chromosome pair move alongside each other. (learner.org)
  • The chromosomes and reproductive organs of intersex people have some typically female and some typically male characteristics or are intermediate between them. (ingrouppress.com)
  • The use of the technique of nuclear transfer for reproduction of human beings is surrounded by strong ethical concerns and controversies and is considered a threat to human dignity. (who.int)
  • 2. Over the years, the international community has tried without success to build a consensus on an international convention against the reproductive cloning of human beings. (who.int)
  • 7. The WHO Regional Committee for Africa is invited to review this document for information and guidance concerning reproductive cloning of human beings. (who.int)
  • 3. Media reports on nuclear transfer are usually about one form, reproductive nuclear transfer, also known as reproductive cloning of human beings . (who.int)
  • Claims that you could clone individual treatments of human beings to treat common diseases like diabetes, suggests you need a huge supply of human eggs. (wikiquote.org)
  • This tale of bobtail squid would be just another mildly jaw-dropping story in a natural world full of marvels if it weren't a portal into an unsuspected realm that has profound consequences for human beings. (spectrevision.net)
  • They clearly set out a new understanding of the way in which life has developed on Earth to date, and of the power microbes have to regulate both the global environment and the internal environment of the human beings they inhabit and influence so profoundly. (spectrevision.net)
  • human beings have developed innovative technologies to treat and cure disease, to enhance human living conditions, and to protect or improve the environment. (jcpa.org)
  • generated haploid male gametes from mouse embryonic stem cells that can produce viable and fertile offspring, demonstrating functional reproduction of meiosis in vitro. (scientificamerican.com)
  • While the Catholic Church has maintained opposition to in vitro fertilization and experimentation on the developing human fetus, what limits should be placed on science and how to enforce them have been debated since culturing humans in labs became possible in the 1970s. (thetablet.org)
  • The first hybrid human clone was created in November 1998, by Advanced Cell Technology. (wikipedia.org)
  • For example, Dolly the sheep died before her normal lifespan, perhaps as a consequence of being a clone. (catholiclane.com)
  • Numerous biological components, including genes, cells, tissues, and even complete creatures like sheep, have been cloned by researchers, and now cat, dog and equine cloning is widely and reliably available via international companies such as our partner, ViaGen Pets & Equine. (geminigenetics.com)
  • The authors present the importance of the melatonin protein hormone by focusing on the reproductive processes in domestic sheep. (veterinarskiglasnik.rs)
  • Pharmaceutical control of reproduction in sheep and goats. (veterinarskiglasnik.rs)
  • Although the simple use of the word 'clone' may have negative connotations, many people have resigned themselves to the idea of cloning cows that produce more milk or using a cloned mouse for use in controlled experimentation. (bartleby.com)
  • This means that creating three-parent children will require acting despite our ignorance of potential health outcomes-amounting to blatantly unethical human experimentation. (catholiclane.com)
  • A type of cloning that occurs naturally is when identical twins are born ("What Is Cloning? (bartleby.com)
  • There are also naturally occurring clones among animal populations. (geminigenetics.com)
  • As well as their distinctive white markings and long curved horns, these cattle are special because they are now considered a herd of naturally occurring clones. (geminigenetics.com)
  • This year has already seen two major advancements in this area, including the use of cloning to create embryonic stem cells and a new technique where mammalian cloning lines can be extended and reproduced indefinitely . (sentientdevelopments.com)
  • Over the past few years, the debate over stem cells and cloning has grown both more complex and more profound. (eppc.org)
  • Long before the controversy emerged over human embryonic stem cells, scientists and doctors began using first-generation stem cells from adult bone marrow. (eppc.org)
  • In July 2005, for example, scientists announced that they had engineered adult mouse stem cells into usable mouse eggs, a technique that might one day allow for the creation of human eggs from ordinary human cells. (eppc.org)
  • In addition, the possibility of reprogramming adult stem cells back to a "pluripotent" (or embryonic-like) state raises the biological prospect of going back too far. (eppc.org)
  • Contrary to popular belief, stem cells are present in the human body throughout life and are found in many adult organs. (jcpa.org)
  • More than 90% of cloning attempts fail to produce viable offspring. (wikiquote.org)
  • Or Vulcans who can produce viable offspring with humans (when even our cousins the fish can t mermaids are even less breedable than Spock). (concatenation.org)
  • Molecular cloning refers to the production of multiple copies of a DNA fragment or gene. (geminigenetics.com)
  • 1. Cloning is an umbrella term traditionally used to describe different processes for duplicating biological material. (who.int)
  • Cloning in biotechnology refers to processes used to create copies of DNA fragments ( molecular cloning ), cells (cell cloning), or organisms . (wikiquote.org)
  • Sexual reproduction incorporates fundamental processes such as gametogenesis and fertilization . (biologyonline.com)
  • Four embryonic stem cell lines from human fetal somatic cells were derived from those blastocysts. (wikipedia.org)
  • It is also our view that there are no sound reasons for treating the early-stage human embryo or cloned human embryo as anything special, or as having moral status greater than human somatic cells in tissue culture. (wikiquote.org)
  • Reproductive cloning would involve making an entire cloned human, instead of just specific cells or tissues. (wikipedia.org)
  • Bioethics is therefore challenged to be a multi-sided and thoughtful approach to decision-making so that it may be relevant to all aspects of human life. (eubios.info)
  • The term is generally used to refer to artificial human cloning, which is the reproduction of human cells and tissue. (wikipedia.org)
  • Though pet cloning may be considered a relatively new technology, the process of cloning as defined above is first documented in 1885, where Hans Adolf Eduard Driesch demonstrated artificial embryo twinning on a sea-urchin. (geminigenetics.com)
  • Because the Sontarans are clones, that's how they reproduce. (doctorwho.tv)
  • And yet others say it's a perfectly legitimate way to create biological offspring - that it's a novel form of assisted human reproduction that could help same-sex or infertile couples reproduce. (sentientdevelopments.com)
  • Reproduction is the process where the parent(s) reproduce another individual (offspring), often of the same species. (biologyonline.com)
  • There is a strong moral reaction against practices like human cloning, which (unlike the proliferation of weapons, a far more disquieting problem) require an important technological infrastructure that cannot easily become the object of a basement industry. (ucla.edu)
  • Unlike some movies, cloning in real life doesn't produce a full grown exact replica of someone. (bartleby.com)
  • Unlike the other clones though, Jenny inherited her father's regenerative abilities. (doctorwho.tv)
  • These young ones are identical to parents called clones. (crackcbse.in)
  • Regardless of the scale at which we explore the biosphere - whether we delve into the global ocean or the internal seas of individual organisms - bacteria are now known to be larger players than humans ever imagined. (spectrevision.net)
  • Reproduction is defined as the biological process of producing young ones by organisms. (crackcbse.in)
  • Sexual reproduction is a mode of reproduction that involves fusion of organisms of different sexes, such as the male and female, giving rise to offspring of the same kind. (crackcbse.in)
  • Although the possibility of cloning humans had been the subject of speculation for much of the 20th century, scientists and policymakers began to take the prospect seriously in 1969. (wikipedia.org)
  • But, he might answer, cloning , and the eventual possibility of the test-tube babies that have been spoken of for so long, would be far more radical changes. (ucla.edu)
  • Modeling how reproductive ecology can drive protein diversification and result in linkage-disequilibrium between sperm and egg proteins. (fsu.edu)
  • If the claim stands up to scrutiny, it could point the way to making human sperm in the lab for fertility treatments. (scientificamerican.com)
  • Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male gamete ( sperm cell ). (biologyonline.com)
  • General Assembly the adoption of a declaration on human cloning by which Member States were called upon to prohibit all forms of human cloning inasmuch as they are incompatible with human dignity and the protection of human life. (who.int)
  • This technique is surrounded by strong ethical concerns and is considered a threat to human dignity. (who.int)
  • Considered contrary to the moral law, since (it is in) opposition to the dignity both of human procreation and of the conjugal union. (wikiquote.org)
  • There will always be some people who will be trying to push the boundaries for their own interests, aware or unaware that they are pushing beyond what is for the common good or in keeping with human dignity," she said. (thetablet.org)
  • Many people consider the act of human cloning to be an affront to our dignity and individuality. (sentientdevelopments.com)
  • The team first made mouse PGCs, and then added cells taken from the testicular tissue of newborn mice, as well as other biological molecules. (scientificamerican.com)
  • In his speech on "Biological Possibilities for the Human Species of the Next Ten Thousand Years" at the Ciba Foundation Symposium on Man and his Future in 1963, he said: It is extremely hopeful that some human cell lines can be grown on a medium of precisely known chemical composition. (wikipedia.org)
  • Long-term reproductive consequences of bleaching stress on the Caribbean corals of the Orbicella (formerly Montastraea ) annularis species complex. (fsu.edu)
  • Given that we have an efficiency of 1% cloning for livestock species and if only one in a thousand cells are viable then around 100,000 cells would need to be transferred. (wikiquote.org)
  • Interestingly, either kiss1 or kiss2 or both have been lost during evolution in many vertebrate species, and the functional significance of kiss1 or kiss2 for the central regulation of reproduction is suggested to vary according to the species. (frontiersin.org)
  • Aging is a physical process that doesn't normally reveal itself until after the completion of a species-specific interval of reproductive competence during which adults rear their progeny from childhood to independence (See Life History ). (agemed.org)
  • CR has been effective in all species in which it has been tried (although the jury is still out on humans). (agemed.org)
  • First, we examine why sexual reproduction evolved in any species. (ingrouppress.com)
  • The number of bacterial species in the human gut is estimated to be about 40,000, according to Daniel Frank and Norman Pace, writing in the January 2008 Current Opinion in Gastroenterology. (spectrevision.net)
  • Even if you don't have a religious view of the sanctity of life, you have to ask is there going to be a massive trade in human eggs from poor women to rich countries. (wikiquote.org)
  • but the basic biological realities of human life and reproduction have not yet changed. (ucla.edu)
  • The Life Sciences (Biological and Agricultural) Major provides a strong foundation in the basic biological sciences. (mcgill.ca)
  • You will get all basic biological concepts in a single book in a simple but descriptive way. (campuscareerclub.com)
  • Another Nobel Laureate, James D. Watson, publicized the potential and the perils of cloning in his Atlantic Monthly essay, "Moving Toward the Clonal Man", in 1971. (wikipedia.org)
  • On e of the wardens protecting these animals in Chillingham Cattle Park, Denene Crossley, states how "being isolated, they've managed to essentially purify their gene pool, to the point where they're natural clones of each other. (geminigenetics.com)
  • A common argument in support is that clones are essentially delayed twins. (sentientdevelopments.com)
  • Xing calculated a ballpark figure for the number of unique bacterial genes in a human gut at about 9 million. (spectrevision.net)
  • Strictly by the numbers, the vast majority - estimated by many scientists at 90 percent - of the cells in what you think of as your body are actually bacteria, not human cells. (spectrevision.net)
  • In a series of recent findings, researchers describe bacteria that communicate in sophisticated ways, take concerted action, influence human physiology, alter human thinking and work together to bioengineer the environment. (spectrevision.net)
  • The possibilities of human cloning have raised controversies. (wikipedia.org)
  • In 2011, scientists at the New York Stem Cell Foundation announced that they had succeeded in generating embryonic stem cell lines, but their process involved leaving the oocyte's nucleus in place, resulting in triploid cells, which would not be useful for cloning. (wikipedia.org)
  • This process allows people to clone living things of any sort. (bartleby.com)
  • Cloning is the process of producing individuals with virtually indistinguishable DNA. (doctorwho.tv)
  • After that first body cell forms, body cell reproduction is the process by which animals grow and develop, and by which new cells are produced and worn-out cells replaced. (learner.org)
  • In brief, gametogenesis is a biological process that incorporates cell divisions, particularly mitosis and meiosis , to produce gametes (sex cells). (biologyonline.com)
  • During reproduction DNA copying occurs, some errors arise during this process. (crackcbse.in)
  • This method is widely used in plants where sexual reproduction or seeds are not available and the process is easier and cheaper compared to the traditional propagation of plants. (crackcbse.in)
  • Still, I want to see those references - every single one of them - from published peer-reviewed scientific textbooks in human embryology, and in accord with the international nomenclature. (lifeissues.net)
  • But if we are to make wise policy the stem cell/cloning arena, we need to step back, sort out the various scientific alternatives and moral issues, and search for a way forward that all citizens can embrace. (eppc.org)
  • we must combine the scientific rigour of biological data, with the values of religion and philosophy to develop a world-view. (eubios.info)
  • But we can only wonder about the ethical propriety of producing the first human child with this technique, knowing that the hoped-for newborn would be a reproductive experiment, one that may end initially in numerous fetal failures. (eppc.org)
  • If the enzyme is reawakened in these dying cells, normal human aging could be slowed, stopped or even reversed. (listverse.com)
  • Recent research also has thrown lights upon a significant role of orexins, especially orexin A, in regulation of male reproductive functions owing to their receptor expressions in vital testicular cells, such as Leydig cells, Sertoli cells as well as spermatozoa at different developmental stages, even in the epididymis and penis. (researchgate.net)
  • Similarly, when the fertilized egg divides from two cells into four cells, each of these four cells has the potential to individually form a human fetus. (jcpa.org)
  • In addition, specific proteins or biological substances can be added to these stem cell cultures to transform them in the laboratory into a large variety of specialized cell types, such as nerve, liver, muscle, bone, and blood cells. (jcpa.org)
  • Blood-testis barrier (BTB), an important testicular structure consisting of connections between sertoli cells, is the target of reproductive toxicity caused by many environmental toxins. (bvsalud.org)
  • In reaction to last week's column, Bill Mishler of the University of Minnesota remarks that "Medical science has shown itself capable of modifying the biological givens of the situation… babies can be produced in a variety of ways that have little to do with the seeming givens of 'biological rationality. (ucla.edu)
  • It's important to note that in the present day, reproductive science hasn't advanced this far. (doctorwho.tv)
  • While I have to agree with the author's concerns (we'll call him Kettle) about the use of waffling and fake science in the supposed cloning "bans" proposed by the Pots, if truth be told, there's enough concern to go around for both the Pots and the Kettles. (lifeissues.net)
  • As happens so often in human affairs, opening the door on a controversial but somewhat defensible position (not from the Catholic Church's point of view though) bumps up against a boundary which is first deemed arbitrary and then seen as limiting true science. (thetablet.org)
  • The church's opposition to all forms of lab-made human fetuses should not mean that there is no Catholic voice on this developing science, Father Allore said. (thetablet.org)
  • To this end, we offer a detailed analysis of the stem cell/cloning question-where is the science, what are the political alternatives, and what moral obligations should guide us? (eppc.org)
  • This would have been the first major breakthrough in human cloning. (wikipedia.org)
  • Back in 2007, Korean researcher Hwang Woo-suk faked a human cloning breakthrough , and it'll only be a matter of time before some renegade scientist actually does it. (sentientdevelopments.com)
  • Aging is not normally observed in wild populations, but typically manifests itself in zoos, as virtually all post-reproductive feral creatures are removed from the population by predators once they lose their agility. (agemed.org)
  • Attempts to improve the quality of the human gene pool, or "positive eugenics," have generally been viewed with disfavor, especially after the policies in Nazi Germany promoting racial hygiene (Proctor 1988). (encyclopedia.com)
  • That's why any attempts by meddling humans to remove its legs makes its tail tighten around the host's neck. (gamesradar.com)
  • Most people view biological sex, or the physical features related to reproduction, as simple and binary - either male or female. (ingrouppress.com)
  • Many assume that biological sex is binary and regard transgender and nonbinary people as mistaken or confused. (ingrouppress.com)
  • Even those who support transgender, nonbinary and intersex people often assume that biological sex is binary. (ingrouppress.com)
  • The relevant point in last week's column, aside from the central theme that there are forms of agape that cannot support the admixture of eros that "I love you" inevitably suggests, was that the exclusive commitment of one person to another in a couple cannot be understood independently of its origin in animal sexual reproduction. (ucla.edu)
  • Although cloning is not an important issue presently, it could potentially replace sexual reproduction as our method of producing children. (bartleby.com)
  • Two major types of sexual reproduction are syngamy and conjugation . (biologyonline.com)
  • Let's discuss sexual reproduction. (biologyonline.com)
  • Following a decade of meetings by the Royal Commission on New Reproductive Technologies, Canada's Parliament passed the Assisted Human Reproduction Act in 2004. (thetablet.org)
  • Some worry about the creation of chimeras - creatures that are part-human and part-something-else. (sentientdevelopments.com)
  • Moreover, orexins have been reported to greatly influence gonadotropin-releasing hormone neurons and their secretions to regulate reproductive functions via modulation of the hypothalamic-pituitary-gonadal axis. (researchgate.net)