Crossing over occurs in which of the following stage of cell cycle?

Leptotene stage

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Pachytene stage

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Anaphase stage

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Diakinesis stage

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Solution

The correct option is B Pachytene stage
Crossing over is another name for recombination or physical exchange of equal pieces of adjacent non-sister chromatids. When crossing over occurs, chromatids break and may be reattached to a different homologous chromosome. This occurs during pachytene stage of prophase I.

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