Biology, asked by rajlakshmitiwari2, 11 months ago

19. What is crossing over ? Explain.

Answers

Answered by scpharikanya01

Answer:

Explanation:

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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