Which of the following is an example of nondisjunction?
A) fetal alcohol syndrome
B) spina bifida secondary to maternal infection with rubella
C) Down syndrome
D) twinning

Name: Which of the following is an example of nondisjunction? A) fetal alcohol syndrome B) spina bifida secondary to maternal infection with rubella C) Down syndrome D) twinning
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Question

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Down syndrome is an example of nondisjunction;there are three copies of chromosome #21 (not two copies).

Which of the Following Is an Example of Nondisjunction