AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesDisciplines and OccupationsInformation ScienceHealth Care
AneuploidyChromosomesChromosome MappingChromosome AberrationsX ChromosomeChromosome BandingChromosome SegregationSex ChromosomesChromosomes, HumanChromosomes, Human, Pair 1In Situ Hybridization, FluorescenceKaryotypingChromosomes, Human, Pair 21Chromosomes, Human, Pair 7Chromosome DisordersChromosomes, Human, Pair 17Chromosomes, BacterialChromosomes, Human, Pair 11Chromosomes, Human, Pair 13Chromosomes, Human, Pair 18Chromosomes, Human, XChromosomes, Human, Pair 9Chromosomes, Human, YChromosomes, Human, Pair 6Chromosome DeletionChromosomes, FungalChromosomes, PlantChromosomal InstabilityChromosomes, MammalianChromosomes, Human, Pair 16Chromosomes, Human, Pair 8Chromosomes, Human, 6-12 and XChromosomes, Human, Pair 12Chromosomes, Human, Pair 22Chromosome PairingChromosomes, Human, Pair 2Chromosome PaintingChromosomes, Human, Pair 4Chromosomes, Human, Pair 10Chromosomes, Human, Pair 19TrisomyChromosomes, Artificial, BacterialChromosomes, Human, 1-3Chromosomes, Human, Pair 5MeiosisChromosomes, Human, Pair 20Chromosomes, Human, Pair 15Chromosome BreakageChromosomes, Human, 21-22 and YChromosomes, Human, Pair 14MitosisChromosomes, Human, 16-18Chromosomes, Artificial, YeastPloidiesPreimplantation DiagnosisMetaphaseChromosomes, Human, 13-15Genetic LinkageDiploidyNondisjunction, GeneticMosaicismCentromereGenetic MarkersPolyploidyRing ChromosomesTranslocation, GeneticChromosome InversionChromosome PositioningChromosomes, Human, 4-5Spindle ApparatusMolecular Sequence DataBase SequenceKaryotypeX Chromosome InactivationMutationSpermatozoaAbnormal KaryotypeKinetochoresRecombination, GeneticChromosomes, InsectPhenotypeDown SyndromeHybrid CellsCytogenetic AnalysisChromosome StructuresChromosomes, Human, 19-20CytogeneticsChromatidsCrosses, GeneticMad2 ProteinsCentrosomeMicrosatellite RepeatsPolar BodiesPedigreeDNA, NeoplasmAneugensInfertility, MaleDNACell Cycle ProteinsAlleles
EmbryosTrisomyAberrationsSegregationAbnormalDiploidAneuploid chromosomePhenotypeCancerGenomeCaused by an extra chromosome2023EmbryoInclude aneuploidy2017TetraploidFluorescence In Situ HybriIncidenceSpermNormal chromosomesHomologous ChromosomesTumorSpindleEmbryonicMeiotic prophaseEntire chromosomeTheory of inheritancePairAbnormalities in chromosomePreimplantationCopiesPopulationsGeneticOrganismDisomyPrenatal diagnosisCentromereLeishmaniaProkaryoticMitosisInheritanceTrisomiesHumansChromosomal disordersFetalVitroHybridsDerivativeSomaticKlinefelterProbesAffects2018MetaphaseHumanKaryotype1995HaploidPairsHybridization
Embryos10
  • Components of the embryos generated through autosomal aneuploidies (disomy for chromosomes 3, 5, 8, 9, 11, 16 important parameter for postoperative urinary infection in uncircumcised boys. (ben.edu)
  • Is the sperm centrosome to blame for the complex polyploid chromosome patterns observed in cleavage stage embryos from an OAT patient? (kent.ac.uk)
  • The embryos were processed for sequential FISH in three hybridization rounds using probes for chromosomes 3, 7, 9, 13, 17, 18, 21, X and Y. Molecular cytogenetic analysis of nine chromosomes revealed that all three embryos were female polyploid. (kent.ac.uk)
  • One of them was uniformly tetraploid for all chromosomes tested, while the remaining two embryos showed evidence of abnormal postzygotic segregation of chromosomes, causing the derivative blastomeres to have uneven chromosomal constitution. (kent.ac.uk)
  • PGS screens for a number of common embryonic chromosomal disorders, including a condition called aneuploidy - where embryos have too few or too many chromosomes. (sdfertility.com)
  • Only the healthy embryos showing normal chromosome pairs are transferred into the uterus. (sdfertility.com)
  • PGS is an additional cost to the IVF cycle in the amount of $4,250.00 for the first eight (8) embryos tested. (sdfertility.com)
  • Embryos with abnormal chromosome numbers, known as aneuploidy , typically either result in no pregnancy as many will not implant, or miscarriage if the embryo successfully implants but does not grow much beyond 8 weeks of pregnancy. (carolinaconceptions.com)
  • An aneuploidy rate of over 50% can be found in embryos, and the rate increases with age. (medscape.com)
  • It seems logical that screening embryos for aneuploidy should improve IVF outcome. (medscape.com)
Trisomy18
  • The most recognized forms of aneuploidy are the trisomy diseases of Down syndrome and Edwards syndrome . (wikidoc.org)
  • In general, as we would expect, individuals who are mosaic for a chromosome change tend to have a less severe form of the syndrome present than full trisomy individuals. (wikidoc.org)
  • chronic lymphocytic leukemia (CLL) which is a trisomy of chromosome 12 and acute myeloid leukemia (AML) prognosis which is a trisomy of chromosome 8. (wikidoc.org)
  • A trisomy is the presence of three, instead of the normal two, chromosomes of a particular numbered type in an organism. (wikidoc.org)
  • Thus the presence of an extra chromosome 21 is called trisomy 21. (wikidoc.org)
  • Full trisomy of an individual occurs due to non-disjunction during meiosis I or meiosis II of gametogenesis resulting in 24 vice 23 chromosomes in a reproductive cell (sperm or egg). (wikidoc.org)
  • The most common forms of autosomal trisomy are trisomy of chromosome 21 which results in Down syndrome and trisomy of chromosome 18 which results in Edwards syndrome . (wikidoc.org)
  • In rare cases, a fetus with trisomy of chromosome 13 can survive. (wikidoc.org)
  • A partial trisomy occurs when part of an extra chromosome is attached to one of the other chromosomes, or if one of the chromosomes has two copies of part of its chromosome. (wikidoc.org)
  • A trisomy can occur with any chromosome. (wikidoc.org)
  • In addition to monosomy of Ch5, this mutant acquired duplication of a chimeric Ch4/7b, resulting in trisomy of this chromosome (Fig. 1 a), and facilitating the Sou + phenotype [ 8 ]. (biomedcentral.com)
  • Trisomy 8 was the most common single cytogenetic abnormality. (ucl.ac.uk)
  • Trisomy of chromosome 5 is one of the most severe forms of autosomal trisomy and only seven cases of mosaic trisomy 5 have been reported to date. (thieme-connect.com)
  • A prenatal diagnosis of mosaic trisomy 5 reveals a postnatal complete uniparental disomy of chromosome 5 with multiple congenital anomalies. (thieme-connect.com)
  • Trisomy 8 was detected by fluorescent in situ hybridization in 3 cases that were classified as DNA diploid (2 tumors) and DNA tetraploid (1 tumor). (elsevierpure.com)
  • Afify A., Mark H.F., Trisomy 8 in embryonal rhabdomyosarcoma detected by FISH, Cancer Genet. (gse-journal.org)
  • Down's syndrome (DS) or trisomy 21 is a chromosomal disorder resulting from the presence of an extra chromosome 21, in all cells or part of them. (bvsalud.org)
  • 12 explained that three types of chromosome 21 abnormalities can be described: a) free trisomy 21, b) mosaicism, and c) translocation. (bvsalud.org)
Aberrations3
  • Molecular profiling was undertaken, integrating driver mutations, second-generation non-WNT/non-SHH subgroups (1-8) and whole-chromosome aberrations (WCAs). (bvsalud.org)
  • Changes in the structure or quantity of chromosomes , which are strands of condensed genetic material, are known as chromosomal aberrations or abnormalities. (schleiden-eifel.de)
  • The most common chromosomal aberrations associated especially with severe oligo- and azoospermia are sex chromosome aneuploidies and chromosomal translocations. (virascience.com)
Segregation7
  • In animal cells, chromosomes reach their highest compaction level in anaphase during chromosome segregation. (wikipedia.org)
  • Specialized sites on the chromosomes called kinetochores attach to spindle microtubules, and these kinetochore-microtubule attachments are necessary for proper chromosome segregation. (colorado.edu)
  • Problems in kinetochore-microtubule attachment and chromosome segregation can lead to aneuploidy, which is associated with birth defects and cancer progression. (colorado.edu)
  • Chromosome segregation errors during meiosis are the leading cause of birth defects and developmental delays in humans ( H assold and H unt 2001 ). (biorxiv.org)
  • In one of them in particular, the non-disjoining chromosomes showed preferential segregation to the same pole, rather than randomly moving towards either pole, suggesting an abnormal spindle and causing the derivative blastomeres to have significantly uneven chromosomal constitutions. (kent.ac.uk)
  • While it is clear that Kinesin-8 motors are critical for the dynamics of microtubules, only little is known about the regulation of their activity, the mechanism of their length-dependent microtubule depolymerization and potential post-metaphase functions in chromosome segregation. (uni-konstanz.de)
  • Collectively, the proposed studies will contribute to a detailed understanding of the function and regulation of the Kinesin-8 motor Kif18A in mitosis, and, thus, will provide important insights into the mechanism of chromosome segregation and how errors in this process can lead to aneuploidy and tumor formation. (uni-konstanz.de)
Abnormal5
  • Abnormal DNA content has been related to aggressive behavior in Mucoepidermoid Carcinomas (MEC), Adenoid Cystic Carcinomas (AdCC), Acinic Cell Carcinomas (ACC) and oncocytomas (Onc) [8]. (researchgate.net)
  • 25 % rapid linear progression and abnormal morphology (5-8% normal using Kruger strict criteria) and has been associated with increased levels of sperm aneuploidy. (kent.ac.uk)
  • Can preimplantation genetic testing for aneuploidy (PGT-A) improve the live birth rate and reduce the miscarriage rate in patients with recurrent pregnancy loss (RPL) caused by an abnormal embryonic karyotype and recurrent implantation failure (RIF)? (edu.au)
  • Tumors were classified as aneuploid by fluorescent in situ hybridization when nuclei had an abnormal copy number (aneusomic) for either chromosome centromere 8 or 12. (elsevierpure.com)
  • This defect can be transmitted over several generations, resulting in chromosomally abnormal products with complete aneuploidy. (bvsalud.org)
Diploid7
  • To investigate potential mechanisms for telomere capture the spatial arrangement of telomeres and chromosomes was examined in G1 (non-cycling) mitotic cells with diploid or triploid genomes. (biomedcentral.com)
  • The major human fungal pathogen Candida albicans possesses a diploid genome, but responds to growth in challenging environments by employing chromosome aneuploidy as an adaptation mechanism. (biomedcentral.com)
  • Moreover, analysis showed that while expression of many genes on the monosomic Ch5 is altered in accordance with the chromosome ploidy, expression of a large fraction of genes is increased to the normal diploid level, presumably compensating for gene dose. (biomedcentral.com)
  • C. albicans normally possesses a diploid genome organized in eight pairs of chromosomes, but uses reversible loss or gain of an entire chromosome or a large part of chromosomes to survive in toxic environments that would otherwise kill cells or prevent their propagation [reviewed in 1 , 2 ]. (biomedcentral.com)
  • The andromerogones for 5 sperm species showed a half of their respective diploid chromosome numbers without chromosome elimination. (bioone.org)
  • In an organism, any visible abnormality in chromosome number or structure from the diploid set is known as chromosomal aberration . (schleiden-eifel.de)
  • If a normal diploid cell is 2n, the chromosome content of a double tetrasomic cell is designated. (schleiden-eifel.de)
Aneuploid chromosome3
  • These observations led us to propose that in C. albicans , transcriptional compensation for gene dose serves to facilitate the formation and maintenance of aneuploid chromosome states that are required for survival in adverse environments [ 7 ]. (biomedcentral.com)
  • After 24 hr of exposure to either SWCNT or vanadium pentoxide, fragmented centrosomes, multiple mitotic spindle poles, anaphase bridges, and aneuploid chromosome number were observed. (cdc.gov)
  • The low density and small size of these bridges, and aneuploid chromosome number biologically persistent particles makes respiratory were observed. (cdc.gov)
Phenotype4
Cancer4
  • IC à 95 % : 1,4-5,0) était significativement associé à un risque accru de cancer, et ce risque était même supérieur en présence d'un tabagisme paternel important. (who.int)
  • Genes Chromosomes and Cancer. (lu.se)
  • Genes Chromosomes Cancer, in press. (lu.se)
  • How do gain or loss of chromosomes drive cancer? (lu.se)
Genome3
  • A pink broken line denotes an intron with standard boundaries (gt-ag or gc-ag) that is exactly supported (i.e. a cDNA sequence exactly matches the genome over 16 bp, 8 on both sides of the intron). (nih.gov)
  • This whole package of DNA (genome) and protein (epigenome) in a chromosome is what controls the development and maintenance of eukaryotic organisms (protists, fungi, animals, and plants). (carnivorousplants.org)
  • The more similar the chromosomes (the genome and epigenome as well as chromosome number) the more likely hybrids will form and reproduce but also the more likely the net result will only be the introgression of genetic material from one species to the other. (carnivorousplants.org)
Caused by an extra chromosome1
  • The technique can help identify abnormalities that can cause implantation failure during IVF, as well as uncover conditions like Down syndrome (which is caused by an extra chromosome). (sdfertility.com)
20231
Embryo3
  • Each individual embryo tested beyond the first eight (8) (ex.9,10,11,etc,) is an additional cost of $250.00 per embryo. (sdfertility.com)
  • Sperm can still fertilize these eggs, but the embryo will have too many or too few chromosomes. (carolinaconceptions.com)
  • The women were randomly assigned to undergo embryo selection for transfer on the basis of day-5 morphology or PGD-A using array comparative genomic hybridization (aCGH) for 24-chromosome testing before the start of treatment. (medscape.com)
Include aneuploidy2
  • examples include aneuploidy (atypical chromosome number), deletion (loss of part of a chromosome), duplications (extra copies of a region of a chromosome), inversion (when part of a chromosome breaks off and reattaches in reverse. (schleiden-eifel.de)
  • Given that aneuploidy is (a) known to contribute to cell biology and (b) is present at some detectable level in many cell types, it is valuable for single-cell sequencing studies to include aneuploidy information in their analyses. (techscience.com)
20171
Tetraploid2
  • Supernumerary chromosomes have been reported in tetraploid Iranian materials (2n = 29, 35 and 36). (scialert.net)
  • Tetraploid tumors were defined as those with 4 copies (tetrasomic) of chromosome centromeres 8 and 12. (elsevierpure.com)
Fluorescence In Situ Hybri2
  • Pinkel D., Detection of aneuploidy and aneuploidy-inducing agents in human lymphocytes using fluorescence in situ hybridization with chromosome specific DNA probes, Mutat. (gse-journal.org)
  • Eastmond D.A., Rupa D.S., Hasegawa L.S., Detection of hyperdiploidy and chromosome breakage in interphase human lymphocytes following exposure to the benzene metabolite hydroquinone using multicolor fluorescence in situ hybridization with DNA probes, Mutat. (gse-journal.org)
Incidence2
  • Caenorhabditis elegans gene him-8 , high Incidence of Males, encoding HIM-8 like family member. (nih.gov)
  • A large portion of pregnancy losses in the RPL group might be due to aneuploidy, since PGT-A reduced the overall incidence of pregnancy loss in these patients. (edu.au)
Sperm4
  • We developed a method for preparing male chromosomes from sea urchin hybrid andromerogones created with cryopreserved sperm. (bioone.org)
  • This method is applicable for analysis of the haploid male chromosome complement in sea urchin species for which only sperm can be obtained. (bioone.org)
  • Mules are infertile because they inherit 32 chromosomes from their horse parent, but only 31 chromosomes from their donkey parent-and so have an odd chromosome that they cannot pair-off when they make sperm or egg cells. (elifesciences.org)
  • Although hybrids of these two species inherit three chromosomes from each parent, the majority of spores (the yeast equivalent of sperm) that these hybrids produce fail to develop into new yeast cells. (elifesciences.org)
Normal chromosomes2
Homologous Chromosomes1
  • Prior to the first meiotic division, homologous chromosomes pair, synapse, and recombine to ensure their proper disjunction at anaphase I. Additionally, telomeres tethered at the nuclear envelope cluster in the bouquet configuration where they are subjected to dramatic pulling forces acting from outside of the nucleus. (biorxiv.org)
Tumor2
  • Conversely, flow cytometry detected aneuploidy (hypotetraploidy) in 1 tumor when the fluorescent in situ hybridization results were consistent with tetraploidy. (elsevierpure.com)
  • By addressing these questions, we will get novel insight into how aneuploidy affect tumor cells that may be used to develop novel therapies and improve treatment stratification. (lu.se)
Spindle4
  • Kinetochore capture by spindle microtubules and the subsequent chromosome movements occur via highly dynamic microtubules that maintain kinetochore attachment during significant microtubule turnover. (colorado.edu)
  • We are working to understanding how the mitotic spindle organizes and moves chromosomes. (colorado.edu)
  • Stranglehold on the spindle assembly checkpoint: the human papillomavirus E2 protein provokes BUBR1-dependent aneuploidy. (docksci.com)
  • Here, we challenge this view and show that HPV-18 E2 over-activates the Spindle Assembly Checkpoint (SAC) and induces DNA breaks in mitosis followed by aneuploidy. (docksci.com)
Embryonic2
Meiotic prophase2
Entire chromosome1
  • This affected stage-specific gene expression, downregulation of the entire chromosome 31, and upregulation of gene arrays on chromosomes 5 and 8. (brad.ac.uk)
Theory of inheritance2
  • In his famous textbook The Cell in Development and Heredity, Wilson linked together the independent work of Boveri and Sutton (both around 1902) by naming the chromosome theory of inheritance the Boveri-Sutton chromosome theory (the names are sometimes reversed). (wikipedia.org)
  • Walter Sutton (left) and Theodor Boveri (right) independently developed the chromosome theory of inheritance in 1902. (wikipedia.org)
Pair2
Abnormalities in chromosome2
  • Most trisomies, like most other abnormalities in chromosome number, result in distinctive and serious birth defects. (wikidoc.org)
  • One of these disorders, known as phylloid hypomelanosis, has been found to be predominantly associated with abnormalities in chromosome 13. (nih.gov)
Preimplantation1
  • Results of screening with preimplantation genetic diagnosis for aneuploidy (PGD-A) have been mixed. (medscape.com)
Copies8
  • Before this happens, each chromosome is duplicated (S phase), and both copies are joined by a centromere, resulting either in an X-shaped structure (pictured above), if the centromere is located equatorially, or a two-arm structure, if the centromere is located distally. (wikipedia.org)
  • mutant HIM-8 fails to suppress mutant egl-13 on a free transgenic array, and also fails to suppress native mutant egl-13 if transgenic excess copies of the egl-13 promoter are present. (nih.gov)
  • Boys and men with 49,XXXXY syndrome have the usual single Y chromosome, but they have four copies of the X chromosome, for a total of 49 chromosomes in each cell. (medlineplus.gov)
  • Boys and men with 49,XXXXY syndrome have extra copies of multiple genes on the X chromosome. (medlineplus.gov)
  • Partial monosomy occurs when only a portion of the chromosome has one copy, while the rest has two copies. (wikidoc.org)
  • Uniparental disomy , the disomy refers to two copies of the chromosome from one of the parents (with no contribution from the other parent). (wikidoc.org)
  • A tetrasomy and a pentasomy are the presence of a respectively four or five copies of a chromosome. (wikidoc.org)
  • Our embryology team then screens the chromosomes to check for abnormalities, extra copies of chromosomes, or missing chromosomes. (sdfertility.com)
Populations2
  • However, within populations there can be found abnormalities involving the structure or number of chromosomes . (schleiden-eifel.de)
  • Nothing is known about the transmission genetics of vertically transmitted Leishmania populations ( 8 , 20 , 21 ) or how the absence of vector stages affects the establishment or pathogenicity of mammalian infections. (cdc.gov)
Genetic5
  • A chromosome is a long DNA molecule with part or all of the genetic material of an organism. (wikipedia.org)
  • Wilhelm Roux suggested that each chromosome carries a different genetic configuration, and Boveri was able to test and confirm this hypothesis. (wikipedia.org)
  • For the genetic algorithm, see Chromosome (genetic algorithm) . (wikipedia.org)
  • In spite of our lack of attention to chromosomes and chromosome numbers in formally defining species, it is the chromosomes and the genetic material they contain that define true species and control the evolution of new species. (carnivorousplants.org)
  • Chromosome Abnormalities and Genetic Counseling. (thieme-connect.com)
Organism1
Disomy2
  • For organisms that are normally triploid or above, disomy is an aneuploidy. (wikidoc.org)
  • Confirmation of mosaicism and uniparental disomy in amniocytes, after detection of mosaic chromosome abnormalities in chorionic villi. (thieme-connect.com)
Prenatal diagnosis2
Centromere1
  • Fluorescent in situ hybridization using 2 chromosome specific centromere probes was evaluated as a method of ploidy analysis in touch preparations from 50 radical prostatectomy specimens. (elsevierpure.com)
Leishmania2
  • Modulation of Aneuploidy in Leishmania donovani during Adaptation to Different In Vitro and In Vivo Environments and Its Impact on Gene Expression. (brad.ac.uk)
  • Leishmania, a major protozoan parasite, is emerging as a new model for aneuploidy, since in vitro-cultivated strains are highly aneuploid, with interstrain diversity and intrastrain mosaicism. (brad.ac.uk)
Prokaryotic1
Mitosis1
  • Recent projects have focused on the contributions of kinesin-8 motor proteins to chromosome movements, and kinetochore capture in early mitosis. (colorado.edu)
Inheritance1
  • Aided by the rediscovery at the start of the 1900s of Gregor Mendel's earlier work, Boveri was able to point out the connection between the rules of inheritance and the behaviour of the chromosomes. (wikipedia.org)
Trisomies1
  • ACMG strongly recommends NIPS over traditional screening methods for all pregnant patients with singleton and twin gestations for fetal trisomies 21, 18, and 13 and strongly recommends NIPS be offered to patients to screen for fetal sex chromosome aneuploidy. (cdc.gov)
Humans1
  • These are some of the most common cytogenetically visible rearrangements in humans - for example , the pericentric inversion of chromosome 9 is found in over. (schleiden-eifel.de)
Chromosomal disorders1
Fetal1
  • Advanced maternal age and risk of non-chromosomal anomalies: data from a tertiary referral hospital in Turkey [8] "The purpose of this study is to determine if there is a relationship between non-chromosomal fetal anomalies of various organ systems and advanced maternal age. (edu.au)
Vitro2
  • Although high in promastigotes in vitro, aneuploidy dropped significantly in hamster amastigotes, in a progressive and strain-specific manner, accompanied by the emergence of new polysomies. (brad.ac.uk)
  • Chemical footprint in the views of aneuploidy may decrease in vitro pre-treatment was compared to the cotyledons was not have been tested. (myjuicecup.com)
Hybrids4
  • Chromosomes and hybrids. (carnivorousplants.org)
  • The fate of plant hybrids in nature depends very much on the compatibility of the chromosomes of the parents, which parent is the seed parent, and the exact circumstances of the event. (carnivorousplants.org)
  • The more different the chromosomes of the hybrids are the more likely hybridization will result in a speciation event. (carnivorousplants.org)
  • The present plants, which presumably had the somatic chromosome numbers 2n = 32 and 33, were probably a derivative of such a hybrids. (scialert.net)
Derivative1
Somatic1
Klinefelter6
Probes2
Affects1
20181
Metaphase4
  • Chromosomes are normally visible under a light microscope only during the metaphase of cell division (where all chromosomes are aligned in the center of the cell in their condensed form). (wikipedia.org)
  • During metaphase the X-shaped structure is called a metaphase chromosome, which is highly condensed and thus easiest to distinguish and study. (wikipedia.org)
  • The variable chromosome number in metaphase I may be caused by partial elimination of supernumerary chromosomes in archesporial division or at an early stage of meiotic cycle. (scialert.net)
  • Chromosomes in metaphase cells were seen with Olympus microscope (BH2) and photographs were prepared. (scialert.net)
Human5
  • The number of human chromosomes was published in 1923 by Theophilus Painter. (wikipedia.org)
  • AceView: gene:him-8, a comprehensive annotation of human, mouse and worm genes with mRNAs or ESTsAceView. (nih.gov)
  • In human dividing cells 46 chromosomes can be observed. (carnivorousplants.org)
  • Although chromosome missegregation during oocyte maturation (OM) is a significant contributor to human morbidity and mortality, very little is known about the causes and mechanisms of aneuploidy. (biomedcentral.com)
  • A comparison of human and chimpanzee genes in the region of this inversion indicates that two genes-ROCK1 and USP14-that are adjacent on chimpanzee chromosome 17 (which corresponds to human chromosome 18) are more distantly positioned on human chromosome 18. (schleiden-eifel.de)
Karyotype1
  • Here, we report on an 8-year-old girl with phylloid hypomelanosis and precocious puberty who was found to have mosaicism for tetrasomy 13q in the form of inverted dup(13)(q21) on her skin fibroblasts as well as peripheral blood karyotype. (nih.gov)
19952
  • Mc Coy and Law (1968) and Assadi (1995) also reported that the various forms of Aneuploids, chromosomes with satellites and B chromosomes were found in Agropyron species. (scialert.net)
  • Cai L., Taylor J. F., Wing R.A., Gallagher D.S., Woo S.S., Davis S.K., Construction and characterization of a bovine bacterial artifical chromosome library, Genomics 29 (1995) 413-425. (gse-journal.org)
Haploid1
Pairs3
  • By inspection through the microscope, he counted 24 pairs, which would mean 48 chromosomes. (wikipedia.org)
  • The chromosomes of most bacteria, which some authors prefer to call genophores, can range in size from only 130,000 base pairs in the endosymbiotic bacteria Candidatus Hodgkinia cicadicola and Candidatus Tremblaya princeps, to more than 14,000,000 base pairs in the soil-dwelling bacterium Sorangium cellulosum. (wikipedia.org)
  • All the other chromosomes are still arranged in pairs of two, but. (schleiden-eifel.de)
Hybridization2