Synonymous Mutations of a Gene

question 18

Multiple Choice

Synonymous mutations of a gene

• A) have always been less frequent than nonsynonymous mutations.
• B) will predominate when there is strong selection pressure.
• C) are favored when there is strong stabilizing selection.
• D) are neutral with respect to the fitness of an organism.
• E) Both c and d

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Definitions:

Motor Cortex

The motor cortex is a region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.

Arms

Limbs attached to the upper body of humans and other vertebrates, used for manipulation, movement, and varying physical tasks.

Face

The front part of a person's head from the forehead to the chin, including the skin, muscles, and features like the eyes, nose, and mouth.

Trunk

The main woody stem of a tree or the main body part of a human or animal excluding the limbs and head.