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29 October, 05:36

Why is crossing over a good during meiosis but would be a bad thing during mitosis?

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  1. 29 October, 09:27
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    In meiosis, crossing over occurs so there an be a genetic variation in the offspring. Genetic variation is vital to survival. In mitosis, crossing over would be a bad thing because the daughter cells need to be identical. Identical meaning the same genetic code. Therefore, crossing over wouldn't be a positive process in identical daughter cells.
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