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What is the genetic advantage of sexual reproduction?

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vcalma | eNotes Newbie

Posted September 26, 2013 at 4:37 PM via web

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What is the genetic advantage of sexual reproduction?

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ncchemist | eNotes Employee

Posted September 26, 2013 at 11:36 PM (Answer #1)

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Sexual reproduction is advantageous in a genetic sense because it gives a population a much greater genetic variety from which to work with.  Asexual reproduction gives offspring that are pretty much identical copies of their parents.  This makes it difficult for a population to change genetically over time.  But sexual reproduction produces offspring which are an equal genetic mixture of their parents.  In this way, a population has a much greater genetic diversity and variety to work with.  This allows a population to evolve more readily over time to adapt to changing environments and circumstances.  It also allows for bad genetic variants to be ultimately eliminated from the population, thus perpetrating strong genetic variants to survive and continue the species.

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