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Because the actuality of IAIA is actually A then the father would be type A and the mother being type O they would produce children of Type A blood type. For the answer I chose A) A... I just had this on my Bio exam.

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13y ago
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14y ago

The mother will produce two types of gametes: IA and IO (mother is A)

The father is AB his genotype is IAIB, thus he will produce these kind of gametes: IA and IB

Four combinations are possible

IA from Mother and IA from Father: The child has genotype IAIA and he has blood group A

IO from Mother and IA from Father: The child has genotype IAIO and he has blood group A

IA from Mother and IB from Father: The child has genotype IAIB and he has blood group AB

IO from Mother and IB from Father: The child has genotype IBIO and he has blood group B

Thus the phnotypic ratio is blood group A:B:AB = 2:1:1

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9y ago

The phenotype of these children will be A. Their genotype will be AO.

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Q: What is the expected phenotypic ratio among children born to a mother having the genotype IAiO and a father with the phenotype AB?
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