Spontaneous Mutation Rates Are Greatly Reduced by

question 18

Multiple Choice

Spontaneous mutation rates are greatly reduced by

• A) reverse mutations.
• B) DNA repair mechanisms.
• C) base-modifying agents.
• D) exposure to ionizing radiation.
• E) performing the Ames test.

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Definitions:

Trade-Off

A situation that involves losing one quality, quantity, or property of a set or design in return for gaining another.

Gene Flow

The transfer of genetic variation from one population to another, which can lead to changes in the genetic makeup of both populations.

Eda Gene

A gene associated with the development of ectodermal tissues, including skin, hair, teeth, and glands, and can influence phenotypic variations.

Functional Importance

The significance of a structure, process, or gene in the survival, fitness, or performance of an organism.