Question

9. crossing over occurs in?​

Answer 1

Explanation:

Crossing over occurs between prophase I and metaphase I and is the process where two homologous non-sister chromatids pair up with each other and exchange different segments of genetic material to form two recombinant chromosome sister chromatids.

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Answer 2

further genetic variation comes from crossing over ,which may occur during pro phase I of meiosis

Explanation:

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