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3 December, 04:16

What are three processes that contribute to genetic variation during sexual reproduction

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  1. 3 December, 04:22
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    Crossing over - often, the sister homologous chromosomes of a cell exchange genetic material through recombination of genes. Independent assortment/random fertilization - there are numerous variety of ways that the chromosomes of the gametes can combine, after meiosis, through fertilization to form a zygote Mutation - on rare occasion, there is a slight and random change in the genes of a gametic cell caused by environmental factors.
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