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Biology/Genetics help?
A woman who is heterozygous for freckles and a carrier for PKU disease marries a man who is also heterozygous for freckles and a carrier for PKU disease. List the probability for each of the four possible phenotypes (not genotypes) in their offspring.
I've worked this question for the better part of an hour. I'm still lost. I did the punnett square with the mother being "Ffpp" and the father the same, but I'm not coming up with the correct answer. Can anyone help me?
3 Answers
- Avery JaneLv 51 decade agoFavorite Answer
FfPp x FfPp is what you want to cross. PKU has a carrier according to the question so it must be recessive.
- Anonymous1 decade ago
pretty sure that that parents should be FfPp since being a carrier means you don't show the trait but you have that recessive allele.
