DNA Is Often Damaged or May Be Replicated Incorrectly

question 12

Multiple Choice

DNA is often damaged or may be replicated incorrectly.Which of the following is NOT true?

• A) Humans have the most efficient DNA repair proteins.
• B) A mutation in the gene for a DNA repair protein may make mutations in other genes more common.
• C) Certain proteins can repair damaged DNA.
• D) The vast majority of DNA damage is fixed.

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Definitions:

Mammary Glands

Specialized organs in mammals that produce milk to nourish newborns.

Critical Period

A specific time in an organism's life span when it is particularly responsive to certain forms of environmental stimuli.

Sensitive Period

A specific time frame during development when the organism is particularly responsive to environmental stimuli.

Organism's Development

The process of growth and change that an organism undergoes from its origin to maturity.