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In the Section "Investigating Life: Does Natural Selection Maintain Cystic

Question 56

Multiple Choice

In the section "Investigating Life: Does Natural Selection Maintain Cystic Fibrosis?," if two carriers of the defective CFTR gene have a child,what is the probability that the child will have cystic fibrosis?


A) 75%
B) 50%
C) 100%
D) 0%
E) 25%

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