Question

A man of Blood Group A marries a woman of blood group O.their daughter has blood group O.

Answer 1

the blood group of father will be       iA    
since,                        dad                              mom
                                   iA               X                  ii
                                    
                              i            A                     i               i
if   i   from dad and  i    from mom combine then their child will have ii   i.e. blood group O.



i hope this helped u and is what u wanted .

Answer 2

Answer:

Explanation:

Yes this is possible

Because the probability of their child of gaining blood group O or A is 50%