Nondisjunction causes an odd number of chromosomes in gametes, The result is an abnormal number of chromosomes. This happens in anaphase I or II. If you have an odd number of chromosomes, they can not line during metaphase and be dragged apart. This makes a person infertile.
Answer:
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Explanation:
During cell division, DNA is duplicated and then divided equally into two daughter cells. This way, each new cell contains all the genetic information it needs to function. Nondisjunction occurs when chromosomes fail to separate during division, causing chromosome abnormalities.
