Q. A man of blood group–A marries woman of blood group-AB, which type of progeny would indicate that man is heterozygous?

A) O
B) B
C) A
D) AB
Explanation

In this case, progeny with blood group-B is produced only when man is heterozygous, i.e.,I ୅I୓.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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