Q. Three children in a family have blood types O, AB and B respectively. What are the genotypes of their parents?

A) $I^{A}i\ and\ I^{B}i$
B) $I^{A}I^{B}\ and\ i\ i$
C) $I^{B}\ I^{B}\ and\ I^{A}\ I^{A}$
D) $I^{A}\ I^{A}\ and\ I^{B}\ i$
Explanation

The correct answer is Option A: $I^{A}i\ and\ I^{B}i$.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.