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Mnenie [13.5K]
3 years ago
7

Which of the following best defines nondisjunction?

Biology
1 answer:
zubka84 [21]3 years ago
7 0
The answer is D. Failure of chromosome pairs to separate

Nondisjunction is a condition when sister chromosomes fail to separate proprly during cell division, leaving them with extra cromossom

Nondisjunction is the main cause of genetic abnormality which make an individual suffer from a down syndrome ( causing an intellectual impairment)
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