Loading...
*  Avian sex chromosome dimorphism | Biology Letters
W in warblers are the neo-sex chromosomes resulting from the fusion of the ancestral sex chromosome with the part of chromosome ... The evolution of sex chromosome dimorphism (SCD) is generally thought to follow a repeatable pattern. If one of the sex ... 2007 The molecular basis of chromosome orthologies and sex chromosomal differentiation in palaeognathous birds. Chromosome Res. ... reports of within-species variation in sex chromosome morphology provide evidence for an on-going process of sex chromosome ...
http://rsbl.royalsocietypublishing.org/content/8/4/636
*  Sex chromosome recombination suppression | Philosophical Transactions of the Royal Society B: Biological Sciences
1. Introduction: non-recombining regions and sex chromosomes. *2. Do chromosomes carrying sex-determining genes evolve ... In species with genetic sex-determination, the chromosomes carrying the sex-determining genes have often evolved non- ... Evolution of recombination rates between sex chromosomes. Deborah Charlesworth. Published 6 November 2017.DOI: 10.1098/rstb. ... Evolution of recombination rates between sex chromosomes Message Subject (Your Name) has sent you a message from Philosophical ...
http://rstb.royalsocietypublishing.org/content/372/1736/20160456
*  FDNA and The Focus Foundation Join Forces to Help Children with Sex Chromosome Disorders Using Facia... ( ...
These d,FDNA,and,The,Focus,Foundation,Join,Forces,to,Help,Children,with,Sex,Chromosome,Disorders,Using,Facial,Analysis, ... PRWEB) May 10 2017 Millions of people worldwide are living with X and Y Chromosomal Disorders often called Sex Chromosome ... PRWEB) May 10 2017 Millions of people worldwide are living with X and Y Chromosomal Disorders often called Sex Chromosome ... Millions of people worldwide are living with X and Y Chromosomal Disorders, often called Sex Chromosome Disorders, and don't ...
http://www.bio-medicine.org/biology-technology-1/FDNA-and-The-Focus-Foundation-Join-Forces-to-Help-Children-with-Sex-Chromosome-Disorders-Using-Facial-Analysis-38318-1/
*  Analysis of sex chromosome abnormalities using X and Y chromosome DNA Tiling path arrays | Journal of Medical Genetics
Methods: We have developed a human X and Y chromosome tiling path array for the analysis of sex chromosome aberrations. ... Analysis of sex chromosome abnormalities using X and Y chromosome DNA Tiling path arrays ... Analysis of sex chromosome abnormalities using X and Y chromosome DNA Tiling path arrays ... Breakpoints in iso-Yq, iso-Yp and X-Y translocation chromosomes and X-Y interchanges in XX males are also amenable to analysis ...
http://jmg.bmj.com/content/early/2007/02/27/jmg.2006.047852
*  Evolution of sex chromosomes and sex-biased gene expression | Department of Biology
... a neo-sex chromosome, which has been formed by a fusion between an autosome and the ancestral sex chromosomes. This neo-sex ... Second, the neo-sex chromosome is homologous to the sex chromosomes of mammals, which makes it possible - for the first time - ... Sex chromosomes have evolved from non-sex-determining chromosomes (autosomes) many times throughout the tree of life. Ever ... Start › Research › Research groups › Genetics of Sex Differences › Research projects › Evolution of sex chromosomes and sex- ...
https://www.biology.lu.se/research/research-groups/genetics-of-sex-differences/research-projects/evolution-of-sex-chromosomes-and-sex-biased-gene-expression
*  The influence of sex chromosome aneuploidy on brain asymmetry. - Department of Psychiatry
The findings suggest that the number of sex chromosomes influences the development of brain asymmetry not simply to modify the ... We therefore applied a novel image analysis technique to investigate the relationship between sex chromosome dosage and ... as a function of sex chromosome dosage, be respectively decreased in TS women and increased in KS men, relative to ... who have only one X-chromosome exhibit deficits of spatial ability whereas males with Klinefelter's syndrome (KS) who possess a ...
https://www.psych.ox.ac.uk/publications/139803
*  Antievolution.org - Antievolution.org Discussion Board -Topic::From 'LUCA' thread
Brief oversimplification: Most bees, ants, and true wasps have a single sex-determining locus (no sex chromosomes) with many ... This is called single-locus complementary sex determination, or sl-CSD (or just CSD). Just a few years ago, the sex locus of ... BTW would lack of vulnerability to PI in bees and wasps due to (presumably) haplo-diploid sex determination have had an effect ... It turns out that not all haplodiploid sex determination systems are alike; the underlying pathways differ, and there seem to ...
http://www.antievolution.org/cgi-bin/ikonboard/ikonboard.cgi?act=SP&f=14&t=1216&p=4829
*  Semi-Automatic Laser Beam Microdissection of the Y Chromosome and Analysis of Y Chromosome DNA in a Dioecious Plant, Silene...
Silene latifolia has heteromorphic sex chromosomes, the X and Y chromosomes. The Y chromosome, which is thought to carry the ... Silene latifolia has heteromorphic sex chromosomes, the X and Y chromosomes. The Y chromosome, which is thought to carry the ... The different localization of RMY1 on the sex chromosomes provides a clue to the problem of how the sex chromosomes arose from ... Regarding the sex chromosomes, RMY1 was detected at both ends of the X chromosome and at one end near the pseudoautosomal ...
http://oxfordindex.oup.com/view/10.1093/oxfordjournals.pcp.a029475
*  A shared Y chromosome lineage Neanderthals and Modern Humans
But, this does not mean a total extinction of their sex chromosomes; not all of their offspring were sterile after all, we ... "the Y-chromosome of Neanderthals or paternal inheritance has yet to be examined. Comparisons of the Y chromosome sequence of ... Y chromosome results must derive, then, either from Y chromosomes that fall outside the variation of modern humans or from the ... Neandertal Y chromosomes to fall outside the variation of modern human Y chromosomes unless there was male gene flow from ...
http://patagoniamonsters.blogspot.com.ar/2014/05/a-shared-y-chromosome-lineage.html
*  A Short History of the Y Chromosome | The Turek Clinics
The Y chromosome, and its neighbor the X chromosome, evolved into "sex" chromosomes hundreds of millions of years ago. This is ... the original sex chromosomes probably evolved as a pair of two X chromosomes. Then, 150 million years ago, the Y chromosome ... Among the many chromosomes in a man's body, the smallest one with the largest personality has to be the Y chromosome. With it, ... known for some time that the Y chromosome lives a lonely life since it first split off of the X chromosome at least a hundred ...
http://www.theturekclinic.com/a-short-history-of-the-y-chromosome/
*  Publication : USDA ARS
The USDA-MARC reference family genotypes were used to map the marker onto cattle chromosome 14. Technical Abstract: CHORI-240 ... Chromosomal assignments of microsatellite loci were based on sex-averaged two-point LOD scores ,3.0 using CRI-MAP version 2.4. ... Microsatellite locus UASM014 was mapped onto bovine chromosome 14 at approximately 5.7 cM from marker BM1508. On the basis of ... Title: ASSIGNMENT OF THE SIAT4A GENE TO BOVINE CHROMOSOME 14 BY LINKAGE MAPPING OF AN ASSOCIATED MICROSATELLITE ...
https://www.ars.usda.gov/research/publications/publication/?seqNo115=180234
*  Errors in chromosome segregation during oogenesis and early embryogenesis - WRAP: Warwick Research Archive Portal
Inter-sex variation in synaptonemal complex lengths largely determine the different recombination rates in male and female germ ... Errors in chromosome segregation occurring during human oogenesis and early embryogenesis are very common. Meiotic chromosome ... Analysis of nine chromosome probes in first polar bodies and metaphase II oocytes for the detection of aneuploidies. Eur J Hum ... Hultén, Maj A., Smith, Edward M. and Delhanty, Joy D. A. (2010) Errors in chromosome segregation during oogenesis and early ...
http://wrap.warwick.ac.uk/3796/
*  An investigation of 10 Y-STR loci and the detection of specific haplotype frequencies in Turkish population
Honda, K., Tun, Z., Young, D. and Terao, T. (2001) Examination of Y-STR mutations in sex chromosomal abnormality in forensic ... Rodig, H., Grum, M. and Grimmecke, H.-D. (2007) Population study and evaluation of 20 Y-chromosome STR loci in Germans. ... Jobling, M.A., Pandya, A. and Tyler-Smith, C. (1997) The Y chromosome in forensic analysis and paternity testing. International ... Willuweit, S. and Roewer, L. (2007) Y chromosome haplotype reference database (YHRD): Update. Forensic Science International, 1 ...
http://www.scirp.org/journal/PaperInformation.aspx?PaperID=6248
*  Sex Chromosomes
... the sex chromosomes. All sex chromosomes were derived from pairs of ordinary chromosomes (autosomes). In some instances, the ... In many organisms, sex is determined by the presence of specific chromosomes - the sex chromosomes. ... Li X (2011) Sex chromosomes and sex chromosome abnormalities. Clinics in Laboratory Medicine 31: 463-479. ... The presence of different sex chromosomes in the two sexes can cause differences in the dosage of genes that are present on ...
http://www.els.net/WileyCDA/ElsArticle/refId-a0005791.html
*  Sex chromosome | genetics | Britannica.com
Sex chromosome, either of a pair of chromosomes that determine whether an individual is male or female. The sex chromosomes of ... In humans the sex chromosomes comprise one pair of the total of 23 pairs of chromosomes. The other ... Sex chromosome, either of a pair of chromosomes that determine whether an individual is male or female. The sex chromosomes of ... More About Sex chromosome. 15 references found in Britannica articles. Assorted References. *major reference* In sex: Sex ...
https://www.britannica.com/science/sex-chromosome
*  Inactivation of Sex Chromosomes | The BMJ
Inactivation of Sex Chromosomes. Br Med J 1965; 2 doi: https://doi.org/10.1136/bmj.2.5460.494 (Published 28 August 1965) Cite ...
https://www.bmj.com/content/2/5460/494.1
*  Glossary:Sex Chromosome
In mammals, males are the heterogametic sex, having an X chromosome and a Y chromosome, while females are the homogametic sex, ... Either of two chromosomes that are sexually dimorphic in species with chromosomal (as opposed to genic) sex determination. ...
http://www.informatics.jax.org/glossary/sex_chromosome
*  Sex Chromosomes: Genetics, Abnormalities, and Disorders
Sex chromosomes determine the sex of an organism. A human somatic cell has two sex chromosomes: XY in male and XX in female. A ... Chapter 1. Sex Chromosomes, Gender Differences and Disease, pp. 1-24 (Lopes AM, Sargent CA, Affara NA, Amorim A, Instituto de ... SRY (which stands for sex-determining region Y gene) is found on the Y chromosome. In the cell, it binds to other DNA and in ... Chapter 7. The W Chromosome Evolution and Sex-linked Gene Expression in the Japanese Frog Rana Rugosa, pp. 123-140 (Ikuo Miura ...
https://www.novapublishers.com/catalog/product_info.php?products_id=9697
*  Sex chromosome imbalance definition | Drugs.com
Definition of sex chromosome imbalance. Provided by Stedman's medical dictionary and Drugs.com. Includes medical terms and ... sex chromosome imbalance. Definition: any abnormal pattern of sex chromosomes; XXY in men with seminiferous tubule dysgenesis, ...
https://www.drugs.com/dict/sex-chromosome-imbalance.html
*  Researchers Probe Sex Chromosome's Virgin Territory | Science | AAAS
The male sex chromosome has long been called our genetic junkyard, a clutter of meaningless DNA surrounding a handful of genes ... Researchers Probe Sex Chromosome's Virgin Territory. By Science News Staff. Oct. 24, 1997 , 7:00 PM. ... Although the Y chromosome evolved from the X, Lahn is not surprised that the Y would have unique genes. "Since the Y chromosome ... In all, they identified cDNAs representing 12 new Y chromosome genes.. Five of the new Y genes are found on the X chromosome ...
http://www.sciencemag.org/news/1997/10/researchers-probe-sex-chromosomes-virgin-territory
*  Conserved sex chromosomes in iguanas | Biology Letters
... which suggests that iguanas may have conserved sex chromosomes [7]. At the same time, the sex chromosomes are very small ( ... possess a rapid turnover of sex chromosomes, while in endotherms there is a notable stability of sex chromosomes. Reptiles in ... other species have exhibited multiple and/or relatively large sex chromosomes, and in many other lineages sex chromosomes (if ... 2013 Novel sex-determining genes in fish and sex chromosome evolution. Dev. Dyn. 242, 339-353. (doi:10.1002/dvdy.23927). ...
http://rsbl.royalsocietypublishing.org/content/10/3/20131093
*  Sex Chromosomes | Blausen Medical
Humans have two sex chromosomes: XX for females and XY for males (as shown in this karyotype). ... Sex chromosomes determine the sex of an individual. ... Sex chromosomes determine the sex of an individual. Humans have ... two sex chromosomes: XX for females and XY for males (as shown in this karyotype). ...
https://blausen.com/en/video/sex-chromosomes/
*  Phys.org - sex chromosome
Male sex chromosome losing genes by rapid evolution, study reveals. Scientists have long suspected that the sex chromosome that ... The story of X -- evolution of a sex chromosome. (PhysOrg.com) -- Move over, Y chromosome - it's time X got some attention. In ... Evolutionary divergence of mammalian sex chromosomes. (Phys.org)-Males and females... Mars and Venus... XY and XX chromosomes- ... Sex chromosome evolution tracked in fruit fly. (Phys.org) -- Fruit flies are commonly used in genetics research because their ...
https://phys.org/tags/sex+chromosome/sort/rank/all/
*  Google Doodle For Nettie Stevens: The XY Sex Chromosomes
It is Nettie Stevens 155th birthday, she discovered the sex chromosomes, XY. She was born on July 7, 1861 in Vermont and passed ... Today on Google's home page is what looks like a scientist looking through a microscope at XY chromosomes. ... Home , Logos , Nettie Stevens Google Doodle: The XY Sex Chromosomes Nettie Stevens Google Doodle: The XY Sex Chromosomes Jul 7 ... It is Nettie Stevens 155th birthday, she discovered the sex chromosomes, XY. ...
https://www.seroundtable.com/google-doodle-for-nettie-stevens-the-xy-sex-chromosomes-22348.html
*  Plant sex chromosomes: a non-degenerated y?
Recent research suggests that plant Y chromosomes may evolve differently and retain most of their an ... Animal Y chromosomes have undergone chromosome-wide degeneration in response to a lack of recombination, and ancient Ys contain ... Animal Y chromosomes have undergone chromosome-wide degeneration in response to a lack of recombination, and ancient Ys contain ... Recent research suggests that plant Y chromosomes may evolve differently and retain most of their ancestral genes.. ...
http://www.biomedsearch.com/nih/Plant-sex-chromosomes-non-degenerated/21959153.html