Q. In sickle cell anaemia, the glutamic acid is replaced by
A) Proline
B) Alanine
C) Serine
D) Valine
Explanation
A mutated gene $Hb^{s}$produces sickle cell haemoglobin, in which the sixth amino acid, ie, glutamic acid in $\beta$-chain of normal haemoglobin is replaced by amino acid valine causing sickle-shaped haemoglobin.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.