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The mother would be AB. * The mother could be A or AB. The explanation: Dad shows the recessive trait (type O), so must have two copies of the recessive allele (his genotype is ii). So the son must have inherited a copy of the recessive allele from Dad. But Junior is type A, so must have a copy of the IA allele. That must have come from Mum. To pass on the IA allele, Mum must be either IAIA (type A) or IAIB (type AB).

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βˆ™ 15y ago
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βˆ™ 15y ago

The child would have A or O. To determine the rhesus factor of the child, you'd have to know the rhesus factor of the mother also. If the mother has rh(D)-, the child's rhesus will also be -, if the mother has +, the child can have either + or -.

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βˆ™ 14y ago

The possible phenotype outcomes for the offspring are the same: A or O.

A blood type phenotype of A results from a genotype of either AA or AO. A blood type phenotype of O results from a genotype of only OO.

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βˆ™ 14y ago

The baby's blood type could be either A or O. It depends on if the father is AA or AO. If he is AA, the baby would be type A (AO, since the baby would get an O from the mother). If the father is AO, the baby could be either AO or OO depending on if the baby inherits the A or the O from the father. (The mother will always contribute an O.)

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Q: If mother has blood type A and the father has blood type O what are the possible blood type outcomes of their offspring?
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Related questions

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