Behavioral Genetics Studies Suggest That the Proportion of Variability in People's

question 17

Multiple Choice

Behavioral genetics studies suggest that the proportion of variability in people's emotional dispositions than can be accounted for by genes is .

• A) between 10 and 25 percent
• B) between 20 and 60 percent
• C) between 50 and 75 percent
• D) between 70 and 90 percent

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Definitions:

Somatic Nervous System

A component of the peripheral nervous system responsible for voluntarily managing movements of the body through skeletal muscles.

Autonomic Nervous System

The component of the nervous system that regulates automatic bodily functions, including the heart rate, digestion, and respiration, which are not under voluntary control.

Sensory System

The part of the nervous system responsible for processing sensory information received from the environment.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood control, and the processing of emotions.