Chromosomal Disorders And Karyotypes — a labelled NEET Biology diagram with a definitions lexicon.
Chromosomal Disorders and Karyotypes Labelled parts: Down's Syndrome, Klinefelter's Syndrome, Turner's Syndrome, Trisomy 21, Aneuploidy, Karyotype. Failure of segregation of chromatids during cell division cycle resulting in the gain or loss of a chromosome(s). A condition where an extra copy of a chromosome is present (2n+1), as seen in Down's Syndrome. A condition where one chromosome is missing from the pair (2n-1), as seen in Turner's Syndrome.