Why is meiosis rather than mitosis used for reproduction?

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samhouston | Middle School Teacher | (Level 1) Associate Educator

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Meiosis is used for reproduction because crossing over occurs in meiosis.  Crossing over gives the chromosomes the opportunity to mix.  The crossing over of chromosomes provides genetic diversity in offspring.  Since mitosis does not allow crossing over of chromosomes, mitosis is not used for reproduction.


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