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Which of these mutations most likely results in the mutated hemoglobin gene?

A. Insertion
B. Deletion
C. Substitution
D. Duplication

1 Answer

4 votes

Answer: C. Substitution

Step-by-step explanation:

Substitution is a type of mutation in which a base or amino acid is replaced by another. For example in sickle cell disease, the mutated sickle haemoglobin results from a point mutation of a single amino acid substitution in which a valine residue replaces a glutamate residue at the sixth position in the two beta chains.

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