For a child having blood group B,if the fathe | vedclass

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(C) The child has blood group $B$,which means the child's genotype is either $I^B I^B$ or $I^B i$.Since the father has blood group $A$,his genotype is

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$B$ or $AB$

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(C) The child has blood group $B$,which means the child's genotype is either $I^B I^B$ or $I^B i$.Since the father has blood group $A$,his genotype is either $I^A I^A$ or $I^A i$.The father cannot contribute the $I^B$ allele required for the child's blood group $B$.Therefore,the $I^B$ allele must be inherited from the mother.Individuals with blood group $B$ (genotypes $I^B I^B$ or $I^B i$) or blood group $AB$ (genotype $I^A I^B$) possess the $I^B$ allele.Thus,the mother must have blood group $B$ or $AB$.

For a child having blood group $B$,if the father has blood group $A$,what may be the blood group of the mother?

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