Which of the following amino acid substitution is responsible for causing sickle cell anemia? | Biology

Which of the following amino acid substitution is responsible for causing sickle cell anemia? 

A. Valine is substituted by Glutamic acid in the α globin chain at the sixth position 

B. Valine is substituted by Glutamic acid in the β globin chain at seventh position 
C. Glutamic acid is substituted by Valine in the α globin chain at the sixth position 
D. Glutamic acid is substituted by Valine in the β globin chain at the sixth position
 

D. Glutamic acid is substituted by Valine in the β globin chain at the sixth position 

Explanation:

Glutamic acid is substituted by Valine in the β globin chain at the sixth position is the following amino acid substitution is responsible for causing sickle cell anemia.

---

12 13 14 15 16

Class 12 Biology Sample Paper Solution-2021-22