Question

What is a mutation?

Answer 1

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Letter B.

• A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.

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Answer 2

Answer:

C. A change that occurs in DNA or RNA

Explanation:

Mutation is a change that occurs in DNA or RNA. So, option (C) is the correct answer.