Mutations are the result of changes in the DNA sequence, which can introduce new genetic variation into a population. While mutations can be harmful, beneficial, or neutral, they are a key source of genetic diversity needed for natural selection to occur. Mutations are not produced only by environmental toxins, and they are not a mechanism of intelligent design.

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Mutations Are

Question 4

Multiple Choice

Mutations are:

A) always harmful.
B) always more beneficial than previous forms of the standard DNA code.
C) a source of new genetic variation.
D) produced only when there is an environmental toxin.
E) the mechanism of intelligent design.

Correct Answer: