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qaws [65]
4 years ago
5

The karyotype for trisomy 21 illustrates an example of a genetic mutation caused by

Biology
2 answers:
Ugo [173]4 years ago
5 0

The answer is D.) Nondisjunction

charle [14.2K]4 years ago
3 0
If you didn't know already, trisomy 21 is also known as Down Syndrome. It is caused by error in the cell division which is called nondisjunction. It leaves a sperm or egg cell with an extra copy of chromosome 21 before or after conception.
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