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What is a point mutation?

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A change in a single base pair of DNA

A change in the entire sequence of DNA

The supercoiling of the DNA helix

The insertion or deletion of a whole segment of DNA

answer is C.

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Detailed Solution

Mutation arise due to change in a single base pair of DNA. This is known as point mutation. A classical example of such a mutation is sickle cell anemia. Deletions and insertions of base pairs of DNA cause frame-shift mutations.

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