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Zolol [24]
3 years ago
6

Crossing over occurs between:

Biology
1 answer:
goldfiish [28.3K]3 years ago
5 0

crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis. At that stage each chromosome has replicated into two strands called sister chromatids.

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