To Say That the Heritability of a Trait Is Approximately

question 31

Multiple Choice

To say that the heritability of a trait is approximately 50 percent means

• A) that genes are responsible for 50 percent of the trait in an individual, and the environment is responsible for the rest.
• B) that the trait's appearance in a person will reflect approximately equal genetic contributions from both parents.
• C) that of the variation in the trait within a group of people, 50 percent can be attributed to heredity.
• D) all of these things.

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Definitions:

Null Hypothesis

A standard assumption that posits no meaningful difference or impact exists, usually examined in contrast with a contrasting hypothesis during statistical evaluation.

Two-sided

Pertaining to tests or intervals in statistics that consider both directions or sides of a distribution, typically involving a range of values both above and below a certain point.

Population Mean

The average of a set of properties, characteristics, or values in a population.

Null Hypothesis

A statement in statistics that there is no significant difference or effect, used as a default assumption until evidence suggests otherwise.