If the mother has blood group A and the fathe | vedclass

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(D) The blood group of the mother is $A$,which can have genotypes $I^A I^A$ or $I^A i$. The blood group of the father is $AB$,which has the genotype $

Vedclass · Accepted Answer

$O$

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(D) The blood group of the mother is $A$,which can have genotypes $I^A I^A$ or $I^A i$. The blood group of the father is $AB$,which has the genotype $I^A I^B$.Possible crosses:$1$. If mother is $I^A I^A$: Offspring can be $I^A I^A$ $(A)$,$I^A I^B$ $(AB)$.$2$. If mother is $I^A i$: Offspring can be $I^A I^A$ $(A)$,$I^A I^B$ $(AB)$,$I^A i$ $(A)$,$I^B i$ $(B)$.In both cases,the blood group $O$ (genotype $ii$) cannot be produced because the father does not contribute an $i$ allele.

If the mother has blood group $A$ and the father has blood group $AB$,which of the following blood groups cannot be present in their child?

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