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Kim has blood type O and John has blood type A. The blood type of their son Dan is O. What is the probability that John's genotype's is AO. Since Dan was mentioned in this problem, I will leave it to him to decide, do I attack the problem or he does?

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Jomo said: So what is the probability that John's genotype's is AO? Click to expand... 100%
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george357 said: The mother Kim has blood type O, so her genotype is OO. The father John has blood type A, so he has two possible genotypes AA or AO. If John's genotype is AA, then the baby Dan has blood type A which is not the case here. Therefore John must have a genotype AO to make Dan blood O. Click to expand... So what is the probability that John's genotype's is AO?
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The mother Kim has blood type O, so her genotype is OO. The father John has blood type A, so he has two possible genotypes AA or AO. If John's genotype is AA, then the baby Dan has blood type A which is not the case here. Therefore John must have a genotype AO to make Dan blood O.
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george357 said: Kim has blood type O and John has blood type A. The blood type of their son Dan is O. What is the probability that John's genotype's is AO. Since Dan was mentioned in this problem, I will leave it to him to decide, do I attack the problem or he does? Click to expand... George, I don't need help with this material. You do. So will you please just make an attempt and see what you can do? -Dan
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How about you decide? Dan knows how to do this problem but you don't.
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