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    How Humans Evolved Study Set 1
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    Exam 15: Evolution and Human Behavior
  5. Question
    When a Sister Mates with Her Brother, There Is a ________
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When a Sister Mates with Her Brother, There Is a ________

Question 63

Question 63

Multiple Choice

When a sister mates with her brother, there is a ________ chance that he will carry the same deleterious recessive gene that she does.


A) 50%
B) 25%
C) 100%
D) 75%

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