Q. Sickle-cell anaemia happens due to …A… mutation in which …B… of haemoglobin is affected. Fill the correct option for A and B
A) A-point; B-$\beta$-chain
B) A-chromosomal; B-$\alpha$-chain
C) A-allele; B-$\alpha$-chain
D) A-non-allele; B-chain
Explanation
The correct answer is Option A: A-point; B-$\beta$-chain.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.