Biologists Are Studying Two Species Whose DNA Is Known to Differ

question 30

Multiple Choice

Biologists are studying two species whose DNA is known to differ by 10%. Which information would be least important in calibrating a molecular clock to determine how rapidly evolution has proceeded with these two species?

• A) the fossil record of these two species
• B) a geological event that separated the species at a particular time
• C) the function of each of these regions of DNA
• D) the time of divergence of closely related species

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Definitions:

Dr. Marsha Linehan

A psychologist who created Dialectical Behavior Therapy (DBT), primarily aimed at treating borderline personality disorder and other conditions.

Cognitive-behavioral Therapy

A psychotherapeutic approach that addresses dysfunctional emotions and behaviors through goal-oriented, systematic procedures.

Borderline Personality Disorder

A behavioral health problem typified by volatile feelings, actions, and links with others.

Suicide

The act of intentionally causing one's own death, often resulting from despair or mental health disorders such as depression.