Multiple choice

Which of the following statements regarding mutation is not correct?

  1. It is a change in the hereditary material of life.

  2. It is the raw material of genetic variation.

  3. In the absence of mutation, evolution cannot occur.

  4. Some mutations result in an incomplete protein.

  5. External influences cannot create mutation.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Mutation is affected by external influences. Mutations can be caused by exposure to specific chemicals or radiation. These agents cause the DNA to break down. This is not necessarily unnatural even in the most isolated and pristine environments DNA breaks down.

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