Q. In blood group typing in human, if an allele contributed by one parent is $I^{A}$and an allele contributed by the other parent is i, the resulting blood group of the offspring will be
A) A
B) B
C) AB
D) O
Explanation
The blood group type in human provides an example of multiple allelism (i.e., presence of more than two allele for one gene). There are three A, B and O blood groups allele usually given the symbol$I^{A}{,I}^{B}\ and\ I^{i}.I^{A}\ and\ I^{B}$ are codominant to each other but both are dominant to $I^{i}.$ The offspring of parents having $I^{A}\ and\ I^{1}$ allele with be $I^{A}I^{i}$ having blood group-A. A-$I^{A}I^{i}$ B-$I^{B}I^{i}$ AB-$I^{A}I^{B}$ O-$I^{i}I^{i}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.