Heritability Indicates How Much of the Variation of a Trait

question 19

True/False

Heritability indicates how much of the variation of a trait can be traced to genes.

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Definitions:

Extrinsic Eye Muscles

The external muscles that control eye movement, responsible for rotating the eyeball in various directions.

Genioglossus

A muscle in the tongue that is responsible for its movement, enabling speech, swallowing, and positioning of the tongue.

Orbicularis Oris

A complex of muscles in the lips that encircles the mouth, controlling movements such as closing, puckering, and protruding the lips.

Frontal Belly

Part of the occipitofrontalis muscle which moves the scalp, eyebrows, and forehead skin.