Q. As per ABO blood grouping system, the blood group of fathers is $B^+$, mother is $A^+$ and child is $O^+$. Their respective genotype can be A. $I^Bi/I^Ai/ii$ B. $I^BI^B/I^AI^A/ii$ C. $I^AI^B/iI^A/I^Bi$ D. $I^Ai/I^Bi/I^Ai$ E. $iI^B/iI^A/I^AI^B$ Choose the most appropriate answer from the options given below:
A) C & B only
B) D & E only
C) A only
D) B only
Explanation
[Solution by Claude - not from source] An $O$ child ($ii$) needs both parents to carry $i$: father $I^Bi$, mother $I^Ai$. Only A fits. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.