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Which happens during crossing over? A. Two sex cells join together and combine DNA. B. Genes are exchanged between two alleles. C. Genes are exchanged between two egg cells. D. Chromosomes line up randomly
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Which happens during crossing over?

A. Two sex cells join together and combine DNA.

B. Genes are exchanged between two alleles.

C. Genes are exchanged between two egg cells.

D. Chromosomes line up randomly during metaphase I.

User NilsH
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I think the answer is A hope this helps
User Mr Random
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