Which of the Following Statements About Mutation Is Correct

question 82

Multiple Choice

Which of the following statements about mutation is correct?

• A)The rate at which mutations occur in populations is constant.
• B)Mutation does not contribute to the variability of a gene pool.
• C)All mutations are harmful.
• D)All mutations are caused by environmental factors external to the body,such as chemicals in food or X rays.
• E)The only mutations of evolutionary significance are those which occur in sex cells.

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