A ʺPoint Mutationʺ Refers to Mutations Involving

Question

A ʺpoint mutationʺ refers to mutations involving
A) a base-pair substitution.
B) the gain of a base pair (microinsertion).
C) the deletion of a base pair (microdeletion).
D) a substitution, deletion, or addition of one base-pair.

Accepted Answer

A point mutation can refer to any single-base change, including substitution, deletion, or addition of one base pair. Therefore, option D is the correct answer as it includes all possible types of single-base changes. Options A, B, and C are incorrect as they only refer to one specific type of point mutation.