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arsen [322]
2 years ago
15

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

Biology
1 answer:
brilliants [131]2 years ago
7 0
  1. Crossing over – often, the sister homologous chromosomes of a cell exchange genetic material through recombination of genes.
  2. 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
  3. 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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