Unkown1273 Unkown1273

24-01-2020
Biology

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relate the cause and effect how does crossing-over increase variation in genes?

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24-01-2020

Answer:

Genetic variation is increased by meiosis

Recombination or crossing over occurs during prophase I. Homologous chromosomes – 1 inherited from each parent – pair along their lengths, gene by gene. Breaks occur along the chromosomes, and they rejoin, trading some of their genes.

Explanation:

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