Biotechnology And Its Applications Question 38
Question: The amino acid substituted in sickle cell anaemia is [Kerala CET 2004, 05]
Options:
A) Glutamic acid for valine in the alpha chain
B) Glutamic acid for valine in the beta chain
C) Valine for glutamic acid in the alpha chain
D) Valine for glutamic acid in the beta chain
Show Answer
Answer:
Correct Answer: D
Solution:
The sixth amino acid in chain of normal haemoglobin is glutamic acid.
In sickle cell haemoglobin this amino acid is replaced by valine.