The Heritability Coefficient Is Used to Estimate

question 20

Multiple Choice

The heritability coefficient is used to estimate

• A) the probability that a person will share a given gene with his or her parents.
• B) the extent to which variation in a group of people can be accounted for by genetic factors.
• C) the probability that a person will share a given gene with a sibling.
• D) the extent to which variation in a group of people can be accounted for by environmental factors.
• E) none of these; the heritability coefficient does not tell us anything about contributions to a trait/characteristic.

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Definitions:

Digestive Tract

A series of hollow organs joined in a long, twisting tube from the mouth to the anus, where digestion of food takes place.

Parasympathetic

Part of the autonomic nervous system responsible for relaxation and conserving energy by slowing down the heart rate and increasing intestinal and gland activity.

Innervation

The supply of nerves to a specific body part, enabling sensation and movement in that area.

Widespread Sweating

The release of sweat from sweat glands across much of the body's surface, typically in response to heat or stress.