SME
Grade 9 Science · Problem type
Mitosis, meiosis or both?
Use this for “Why do offspring from sexual reproduction vary more than those from mitosis?”
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Does it happen in mitosis, meiosis or both?
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Assumptions
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Mitosis copies a body cell; meiosis makes gametes with half the chromosomes.
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Crossing over and the random sorting of homologs make every gamete different, so sexual reproduction adds variation.
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