In humans, the inheritance of the ABO blood groups is determined by three alleles ($I^{A}$, $I^{B}$ and $I^{O}$), of which only two may occur in any one individual. What blood groups could the children of a homozygous group A woman and a heterozygous group B man have?
- AAB and B only
- BAB and A only
- CA, B and AB only
- DA, B, AB and O