There Are 25 Individuals in Population 1, All with Genotype

question 12

Multiple Choice

There are 25 individuals in population 1, all with genotype AA, and there are 40 individuals in population 2, all with genotype aa. Assume that these populations are located far from each other and that their environmental conditions are very similar. Based on the information given here, the observed genetic variation most likely resulted from

• A) genetic drift.
• B) gene flow.
• C) disruptive selection.
• D) nonrandom mating.
• E) directional selection.

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Definitions:

Cocaine

An illicit narcotic with central nervous system stimulant effects, widely abused for its euphoric effects and potential for addiction.

Caffeine

A stimulant commonly found in coffee, tea, and other beverages, known for enhancing alertness and temporarily warding off drowsiness.

Caffeine

A stimulant found in coffee, tea, and various sodas and energy drinks, known for its ability to temporarily ward off drowsiness and restore alertness.

Stimulant

A substance that raises levels of physiological or nervous activity in the body, often used therapeutically to increase alertness or physical performance.