The gene that controls the ABO blood group system in human beings has three alleles
- IA, IB and i. A child has blood group O. His father has blood group A and mother has
blood group B. Genotypes of other off springs can be:
i. IBIB
ii. IAi
iii. IBi
iv. IAIB
v. ii
A. i, ii, iii, v
B. ii, iii ,iv, v
C. iii, iv, v
D. iv, iii, i