Principles of Inheritance and Variation Question 91
91. A child of blood group $O$ can not have parents of blood groups
(a) $AB$ and $AB / O$
(c) $B$ and $B$
(b) A and B
(d) $O$ and $O$
Show Answer
Answer : a
Hints & Solution
(a) AB blood group possess the genotype $I^{A} I^{B}$. The alleles $I^{A}$ and $I^{B}$ are codominant as both express themselves when present together in an individual.
