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Crossing over takes place during _____(a) pachytene(b) zygotene(c) leptotene(d) diploteneThis question was posed to me during an internship interview.This interesting question is from Cell Cycle and Division topic in section Cell Cycle and Cell Division of Biology – Class 11

Answer»

Correct answer is (a) pachytene

To explain: CROSSING over takes place after tetrad or BIVALENT formation by the process of SYNAPSIS during zygotene. Hence, crossing over takes place during pachytene. Crossing over leads to GENETIC diversity.



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