Question

The gene that controls the ABO blood group system in human beings has three alleles -I^A, I^B, and i. A child has blood group O. His father has blood group A and mother has blood group B. Genotypes of other offsprings can be: ______ 

1. I^B I^B
2. I^A i
3. I^B i
4. I^A I^B
5. ii 

Options

• i, ii, iii, v

• ii, iii ,iv, v

• iii, iv, v

• iv, iii, i

Answer 1

The gene that controls the ABO blood group system in human beings has three alleles -I^A, I^B, and i. A child has blood group O. His father has blood group A and mother has blood group B. Genotypes of other offsprings can be: ii, iii, iv, v.