During which stage of prophase I, genetic recombination of parental characters, takes place?

Zygotene

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Pachytene

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Diplotene

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Diakinesis

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Solution

The correct option is C Pachytene
At the stage of pachytene, a tetrad of the chromosomes has formed known as a bivalent.
This is the stage when chromosomal crossover (crossing over) occurs.
Nonsister chromatids of homologous chromosomes may exchange segments over regions of homology.
So, in this stage, the genetic recombination of parental characters occurs.
So, the correct answer is (B).

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