NEET2026Botany-Genetics

NEET 2026 Botany Gene Mutations MCQ Question

Type: MCQ-conceptual-Medium-Class 12

The sixth mutant codon of beta globin gene causing polymerization of Haemoglobin and change in RBC shape is ______.

A

GUG

B

AUG

C

GAG

D

CAG

Correct Answer

Option A

Detailed Explanation

Sickle cell anaemia is caused by the substitution of Glutamic acid by Valine at the sixth position of the beta globin chain. The mutation from GAG to GUG results in the change in the shape of RBC.

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