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Definition of Nondisjunction

The failure o...

Question

The failure of chromosomes to separate during cell division is known as:

A

Aneuploidy

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B

Ploidy

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C

Non-disjunction

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D

Crossing over

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Solution

The correct option is C
Non-disjunction

Sometimes either homologous chromosomes or sister chromatids fail to separate properly during meiosis. This is called nondisjunction, and it produces gametes with an abnormal number of chromosomes.

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