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Nataly [62]
3 years ago
13

If a man has type A blood, but his mom had type O blood, what must be his genotype? IAIA IAi ii

Biology
1 answer:
tatiyna3 years ago
4 0

Answer:

IAi

Explanation:

The genotype for O blood is ii. So his mom must have given him an i allele. So he has at least one i allele.

But since his phenotype is A -- he expresses A -- there must be one IA allele. Otherwise, if he had both ii, he would be an O-type blood.

So his genotype must be IAi.

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