Question

Which of the parents with the following blood groups CANNOT have a child with blood group A?

विकल्प

• A and B (heterozygous)

• AB and A (heterozygous)

• O and AB

• O and B

Answer 1

O and B

Explanation:

Parents with blood groups O and B will be having genotype ii or I_B l_B or I_B i homozygous or heterozygous. So neither of the parents has antigen A. therefore the child will not have blood group A.