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16 votes
16 votes
A chromosomal alteration in which one or more

pairs of homologous chromosomes fail to separate
normally during meiotic cell division is known as... 1.)an addition
2,) crossing over
3.) nondisjunction
4.) translocation

User Fscof
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1 Answer

12 votes
12 votes
It’s non disjunction
User Esau
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