Which of the Following Statements About Mutations Is False

question 84

Multiple Choice

Which of the following statements about mutations is false?

• A) Mutation rates are very low for most loci.
• B) Mutations are random with respect to the adaptive needs of organisms.
• C) Most mutations are either harmful or neutral.
• D) Only rarely does a human carry a new mutation in his or her genome.
• E) The current human population carries billions of new mutations that were not present in previous generations.

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Definitions:

Medulla

A part of the brainstem essential for controlling involuntary functions like breathing and heart rate.

Endocrine System

A network of glands in the body that secretes hormones directly into the circulatory system to regulate various bodily functions.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, including the brain, spinal cord, and peripheral nerves.

Hypothalamus

The hypothalamus is a crucial region of the brain involved in hormone production, regulation of body temperature, hunger, thirst, sleep, and emotional activity.