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Which statement is true of crossing over

A- what occurs during prophase of mitosis

B- it allows for genetic variation

C-it occurs only in animals

2 Answers

3 votes
B as the chromatids cross over and switch their alleles which creates a different variation within the genes
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User Ken Clubok
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1 vote
I am like 100% that the answer is A.
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User Eytch
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