Technically, What Is Heritability

question 19

Multiple Choice

Technically, what is heritability?

• A) The probability that a particular trait is inherited by a person
• B) The proportion of variation within population of a particular trait due to genes
• C) The proportion of a particular trait that is inherited due to sexual recombination
• D) The extent to which particular traits are explainable via nature rather than nurture

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Definitions:

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting blood pressure, heart rate, and sugar metabolism.

Sympathetic

Pertaining to the part of the autonomic nervous system that typically prepares the body for intense physical activity and is often referred to as the fight-or-flight response.

Parasympathetic

Pertaining to the division of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles.

Sympathetic

Part of the autonomic nervous system that increases the body's readiness for action in stress situations.