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Pachytene

The appearanc...

Question

The appearance of recombination nodules on homologous chromosomes during meiosis characterizes:

A

Bivalent

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B

Sites at which crossing over occurs

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C

Synaptonemal complex

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D

Terminalization

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Solution

The correct option is B Sites at which crossing over occurs
During Pachytene stage of Meiosis I, there is appearance of recombination nodules. Here, crossing over between the non-sister chromatids of the homologous chromosomes takes place
leading to recombination of genetic material.

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