nondisjunction
51List of biology topics — Biology is the study of life and its processes. Biologists study all aspects of living things, including all of the many life forms on earth and the processes in them that enable life. These basic processes include the harnessing of energy, the… …
52Y chromosome — Human Y chromatid The Y chromosome is one of the two sex determining chromosomes in most mammals, including humans. In mammals, it contains the gene SRY, which triggers testis development if present. The human Y chromosome is composed of about 60 …
53Aneuploidy — Classification and external resources ICD 10 Q90 Q98 ICD 9 …
54Cytogenetics — A metaphase cell positive for the bcr/abl rearrangement using FISH For the scientific journal of this title, see Cytogenetics and Genome Research. Cytogenetics is a branch of genetics that is concerned with the study of the structure and function …
55Oocyte — Stripped human oocyte; granulosa cells that had surrounded this oocyte have been removed. Gray s subject #3 38 …
56Chromosomal translocation — of the 4th and 20th chromosome. In genetics, a chromosome translocation is a chromosome abnormality caused by rearrangement of parts between nonhomologous chromosomes. A gene fusion may be created when the translocation joins two otherwise… …
57Mosaic (genetics) — In genetic medicine, a mosaic or mosaicism denotes the presence of two populations of cells with different genotypes in one individual who has developed from a single fertilized egg.[1] Mosaicism may result from a mutation during development… …
58Triple X syndrome — Classification and external resources ICD 10 Q97.0 DiseasesDB 13386 Triple X syndrome is a form of …
59Maternal age effect — The maternal age effect describes the exponentially increasing risks for numerical chromosomal abnormalities among a prospective mother s gametes as she ages. This increase reflects the overall increase in the rate of nondisjunction with maternal …
60Klinefelter's syndrome — Infobox Disease ICD10 = ICD10|Q|98|0|q|90 ICD10|Q|98|4|q|90 ICD9 = ICD9|758.7 Caption = 47,XXY ICDO = OMIM = MedlinePlus = eMedicineSubj = ped eMedicineTopic = 1252 MeshID = D007713 Klinefelter s syndrome, 47,XXY or XXY syndrome is a condition… …
