If a Potentially Stressful Event Is Viewed with Alarm, the Stress

question 105

Multiple Choice

If a potentially stressful event is viewed with alarm, the stress may trigger__________

• A) an emotional response.
• B) a physiological response.
• C) a behavioral response.
• D) all of these responses.

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Definitions:

Introgression

The transfer of genetic material from one species to another through hybridization and backcrossing, leading to the incorporation of foreign genes into a population.

Synonymous Substitution Rate

The rate at which point mutations occur in a DNA sequence that do not alter the encoded amino acid due to the redundancy of the genetic code.

Purifying Selection

Removes deleterious alleles from a population. It is a common form of stabilizing selection.