NEET Biology question

In sickle-cell anaemia, glutamic acid is replaced by valine. Which one of the following triplets codes for valine?

(A)GGG
(B)AAG
(C)GAA
(D)GUGCorrect

Answer: (D)

Solution

Sickle-cell anaemia arises from a single base-pair substitution in the β-globin gene, changing the codon GAG (glutamic acid) to GUG (valine) at the sixth position. GUG is

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Question ID VK-120390