Q. The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because ‘O’ in it refers to having

A) Other antigens besides A and B on RBCs
B) Over dominance of this type on the genes for A and B types
C) One antibody only$-$either anti-a or anti–b on the RBCs
D) No antigens A and B on RBCs
Explanation

The correct answer is Option A: Other antigens besides A and B on RBCs.

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.