The Heritability of a Trait Refers to

question 149

Multiple Choice

The heritability of a trait refers to

• A)how many genes are involved in its heredity.
• B)the extent to which variability among people on the trait is explained by genetic factors.
• C)the percentage of genes involved in its heredity.
• D)the percentage of people who show an inheritance for the trait.
• E)the extent to which similarity among people on the traits is explained by environmental factors.

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Definitions:

Long Run

A period in economics during which all factors of production and costs are variable, allowing full adjustment to any change in the economic environment.

Break-Even Point

This is the point at which total revenues equal total costs, and the business or project makes neither a profit nor a loss.

Firm's Output

The quantity of goods or services produced by a firm within a given time period.

Short Run

A period in economics where at least one factor of production is fixed and cannot be changed.