Q. Phenylalanine does not changed to tyrosine. This condition is seen in

A) Sickle-cell anaemia
B) Phenylketonuria
C) Thalassaemia
D) Haemophilia
Explanation

The correct answer is Option A: Sickle-cell anaemia.

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.