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Alina [70]
3 years ago
7

What happens during crossing over

Biology
2 answers:
Marina86 [1]3 years ago
7 0

Answer:

a is your an

Explanation:

CaHeK987 [17]3 years ago
5 0

Answer:B) homologous chromosomes trade pieces of dna

Explanation:

Crossing over occurs between two homologous chromosome of sisters chromatid. Crossing over leads to exchange of genetic material between the two sister chromatids leading to recombination.

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