If nondisjunction occurs in humans for sister chromatids of one chromosome during Meiosis II, will any normal gametes result? What chromosome number would each gamete have?

1 Answer
Denise Granger
Oct 29, 2017

Non-disjunction occurs when sister chromatids fail to separate during meiosis 1 or II

Explanation:

This results in monosomy or trisomy where the cell has an extra or missing chromosome which leads to a variety of genetic disorders. Also, if a cell is missing one or more chromosomes, it is said to be aneuploid.

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