A Sharp Contrast Between Balanced Polymorphism and the Three Types

question 44

Multiple Choice

A sharp contrast between balanced polymorphism and the three types of natural selection is that in balanced polymorphism,

• A) polygenic traits in a population may mask the observation of extreme or intermediate phenotypes.
• B) Not only are multiple alleles persistent in a population, but they may preserve positive, neutral, and negative phenotypes.
• C) multiple alleles of a gene persist indefinitely in a population.
• D) many traits persist in a population that are controlled by only a single allele.
• E) positive, neutral, and negative phenotypes may be preserved in a population.

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Definitions:

Nonusers

Individuals who do not use or participate in a specific service, product, or substance, in contrast to those who are active users.

Face Validity

The degree to which an assessment or test appears to measure what it is supposed to measure, based purely on superficial characteristics.

Construct Validity

Construct validity is the extent to which a test measures what it claims to be measuring, ensuring that the theoretical concept is accurately captured by the operationalization in research or testing.

Measure

The action or process of quantifying or assessing a quantity, dimension, or capacity, often using specific tools or units of measurement.