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    How Humans Evolved Study Set 1
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    Exam 14: Human Genetics and Variation
  5. Question
    Why Is There Variation Between Human Populations in the Ability
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Why Is There Variation Between Human Populations in the Ability

Question 38

Question 38

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Why is there variation between human populations in the ability to digest lactose? How has natural selection affected and maintained this variation?

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It is normal for mammals to "turn off " ...

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