Sickle cell anaemia results due to mutation caused by

Substitution

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Insertion

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Deletion

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Duplication

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Solution

The correct option is B Substitution
The mutation causing sickle cell anemia is a single nucleotide substitution (A to T) in the codon for amino acid 6. The change converts a glutamic acid codon (GAG) to a valine codon (GTG).

So, the correct answer is 'Substitution'.

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Similar questions

Statement 1: A blood disease caused by gene mutation is sickle cell anaemia.

Statement 2: It results in the production of sickle-shaped WBCs

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