2 years ago

Which statement is true of crossing over?

Biology

1 answer:

Arada [10]2 years ago

3 0

Answer:

B. It allows for genetic variation.

Explanation:

As prophase progresses, homologous chromosomes come to lie side by side and become intertwined rather like a zipper. This process is called synapsis. During synapsis, homologous chromosomes exchange genetic material between one another which allows for genetic variation. This exchange is called crossing over.

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