A Researcher Examines a Microsatellite Locus in a Wild Population

question 4

Multiple Choice

A researcher examines a microsatellite locus in a wild population of D. melanogaster. She finds that in a sample of 50 individuals, 20 different alleles are segregating. According to the neutral theory, these alleles are most likely experiencing

• A) balancing selection.
• B) directional selection.
• C) genetic drift.
• D) neutral selection.

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Definitions:

Emerging Adulthood

A phase of the life span between adolescence and full-fledged adulthood, typically ranging from ages 18 to 29.

Postformal Reasoning

A stage of cognitive development beyond Piaget's formal operational stage, where individuals are able to think in more complex, flexible, and integrated ways, considering multiple perspectives.

Moratorium

An adolescent’s choice of a socially acceptable way to postpone making identity-achievement decisions. Going to college is a common example.

Multiple Perspectives

The consideration of different viewpoints, interpretations, or approaches towards understanding a particular situation or problem.