Which of the Following Statements About Genetic Drift Is True

question 21

Multiple Choice

Which of the following statements about genetic drift is true?

• A) Inbreeding depression, bottleneck effects, and founder effects are all examples of genetic drift.
• B) The effect of genetic drift on allele frequencies is equally strong in large and small populations.
• C) Genetic drift can lead to an increase in the average fitness of a population.
• D) Genetic drift is nonrandom.
• E) Genetic drift is caused by migration of individuals into, and out of, a population.

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Definitions:

Psychosexual Stages

Psychosexual stages are a series of developmental phases in psychoanalytic theory, proposed by Freud, that children pass through, each characterized by different modes of seeking pleasure.

Body Parts

Various anatomical components of living organisms, including limbs, organs, and tissues, that perform specific functions necessary for life and activity.

Oral Stage

The first stage in Freud's psychosexual development, where an infant's pleasure centers on the mouth.

Psychosexual Development

A Freudian theory that proposes human personality development occurs in five stages (oral, anal, phallic, latency, and genital) from infancy to adulthood, centered on the libido's focus.