If a man with blood group O (ii) marries a woman with blood group AB ($I^A I^B$), what are the possible blood groups of their children?
Only O and AB
Only A and B
A, B, and AB
A, B, AB, and O
📝 Detailed explanation
The children will inherit 'i' from the father and either '$I^A$' or '$I^B$' from the mother, resulting in genotypes $I^Ai$ (Group A) or $I^Bi$ (Group B).
