Answered

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How does crossing-over result in genetic recombination?
A. It reduces the original cell’s chromosome number by half.

B. It mixes half the maternal chromosomes with half the paternal chromosomes.

C. It randomly separates the maternal and paternal chromosomes.

D. It permits the exchange of genetic material between homologous chromosomes.

Sagot :

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Answer:

D

Explanation:

crossing over is where the homologous chromosomes exchange their genetic material through synapse

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