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Home Q & A Board Biology-Related Homework Help General Biology
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Angel42 Angel42
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10 years ago
The probability that their baby will be a carrier of the gene for PKU is (A) __________. The probability that their baby will be affected by PKU is (B) __________. If both genotypes were Pp, the probability that their baby would be affected by PKU would be (C) _________.

my answer for first one is 3/4 third answer is 1/4 i cant figured the second answer
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#1
10 years ago
Does it give you genotypes of parents for the first two....how did you get the probability to be 0.75 are parents heterozygous for Pp? The last one is correct. If both parents are heterozygous Pp than a punnett square shows that there is a 0.25 chance the child would be affected.
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