cggotelli1966 cggotelli1966

30-03-2018
Biology

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Why is the frequency of recombinant gametes always half the frequency of crossing over?

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lesiavanovalv lesiavanovalv

30-03-2018

Crossing over occurs at the four-strand stage when two homologous chromosomes, each consisting of a pair of sister chromatids, are paired. Each crossover involves just two of the four strands and generates two recombinant strands.

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