Grauberger24 Grauberger24

29-05-2015
Biology

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

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CelTheDemon CelTheDemon

29-05-2015

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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alahnawigfall alahnawigfall

29-11-2018

The answer is D.) Nondisjunction

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