Thalassemia is an example of :
(A) Deletion mutation
(B) Point mutation
(C) Silent mutation
(D) Frameshift mutation
Correct Answer : Frameshift mutation
Frameshift mutations are associated with Thalassemia. They involve a election or insertion of one' or two base pairs within a coding sequence of a gene. As the coding message is read in triplets codons and deletions, the reading frame of mRNA is altered resulting in a nonsense sequence of amino acids.
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