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During prophase I of meiosis, crossing over between the sister chromatids occurs. What is the purpose of this process?
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During prophase I of meiosis, crossing over between the sister chromatids occurs. What is the purpose of this process?

User Trevi Awater
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It basically mixes all the genes up and creates genetic diversity
User ChrisJJ
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in other words she saying that it produces a genetic variation.-----




User Mantas Vidutis
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