Downs Syndrome Nondisjunction free essay sample

Cause effects of chromosomal failure in this type of mental retardation. Nondisjunction in Downs syndrome has been examined by a number of researchers in genetics in recent years with an eye to better understand the syndrome and to find a predictor of its development. Nondisjunction refers to the failure of homologous pairs of chromosomes to separate during the first meiotic division or of the two chromatids of a chromosome to split during anaphase of mitosis or the second meiotic division. The result of nondisjunction is an abnormal number of chromosomes in the daughter cells. Studies of this issue have been conducted in general terms and on specific chromosomes alike. They have been conducted in different parts of the world to see if there are different forces at work. The issue has also been examined from the standpoint of its consequences in the development of Downs Syndrome and other medical problems for mother and child. We will write a custom essay sample on Downs Syndrome Nondisjunction or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page