When Both Drift and Selection Are Acting on a Locus

question 27

Multiple Choice

When both drift and selection are acting on a locus (alleles are not neutral and the population size is finite) , which of the following can occur?

• A) Natural selection can increase the effect of genetic drift.
• B) Neutral mutations are subject to natural selection.
• C) Genetic drift can result in heterozygous advantage.
• D) Beneficial mutations can be lost from the population.

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Definitions:

Appraisals

Evaluations or judgments about the significance of an event as it relates to one's well-being.

Evolutionary Psychology

Discipline that seeks to apply principles of natural selection to understand the causes of human behavior.

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A state in which an individual lacks a sense of social belonging, true engagement with others, and a robust social network, leading to various negative health outcomes.

Adaptive Behavior

Behaviors or skills that enable an individual to meet cultural or social standards, contributing to their personal independence and social responsibility.