Q. In sickle cell anaemia, the glutamic acid is replaced by

A) Proline
B) Alanine
C) Serine
D) Valine
Explanation

A mutated gene Hb Sproduces sickle cell haemoglobin, in which the sixth amino acid, ie, glutamic acid in β-chain of normal haemoglobin is replaced by amino acid valine causing sickle-shaped haemoglobin.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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