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30 March, 14:47

4. One of the parents of a child has phenylketonuria (PKU), which is caused by

recessive alleles. The other parent does not have the PKU alloles. What is the

chance that the couple will have a child with phenylketonurla?

A. 0%

B. 50%

C. 75%

D. 100%

0
Answers (1)
  1. 30 March, 16:35
    0
    B. Because one parent does and the other doesn't
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