23-11-2015
Biology

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What is the significance of chromosomes crossing over during the prophase stage of meiosis?

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ZombieWoW ZombieWoW

23-11-2015

Well, when chromosomes cross over during prophase 1 of meiosis, the homologous pair of chromosomes exchange segments of DNA which happen to be the genes. So the significance of crossing-over during prophase 1 is that it adds genetic variation to sexually reproducing organisms.

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