A child blood group is “O” .The parent’s vlood group cannot be.

1. A and B
2. A and A
3. AB and O
4. B ans O

Hello Student
Correct Answer is 3. AB and O
AB and O blood group of child cannot be obtained from the parents having blood group O X AB . The parents blood group may be A X O, A X B, B X O, B X A, O X A, and O X B.