A Trait's Heritability Is the Proportion of Its Variation That

question 29

Multiple Choice

A trait's heritability is the proportion of its variation that

• A) is inherited.
• B) cannot be explained.
• C) is the product of genes and environment.
• D) results from the environment alone.

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Definitions:

Sexual Behavior

Actions that individuals engage in that are related to their sexuality or sexual activities.

Medial Preoptic Area

A region of the hypothalamus involved in regulating behaviors such as mating, thermoregulation, and hormone secretion.

Obestatin

A hormone produced by the stomach, associated with reducing appetite and potentially playing a role in energy balance.

Leptin

A hormone produced by adipose (fat) cells that regulates energy balance by inhibiting hunger.