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NeX [460]
3 years ago
5

Individuals with Down syndrome have an extra chromosome 21. This is an example of which type of chromosome disorder?

Biology
1 answer:
Lina20 [59]3 years ago
8 0
The correct answer is choice B. Nondisjunction.

Nondisjunction disorder occurs when either the homologous chromosomes or the sister chromatids fail to disconnect properly during cell division. This failure results in daughter cells with an abnormality in chromosomes. 

I hope this helps you and have an awesome day!! :)
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