Question

Genetic recombination occurs in ................ phase of prophase of meiosis I.

A

Leptotene

B

Zygotene

C

Pachytene

D

Diplotene

Easy
Solution
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Correct option is C)

During the pachytene stage, bivalent chromosome now clearly appears as tetrads. This stage is characterized by the appearance of recombination nodules, the sites at which crossing over between non-sister chromatids of the homologous chromosome. And then crossing over takes place.
So the correct answer is "Pachytene".

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