Which of the following statements regarding the biological model of addiction and drug abuse is FALSE?

A) People who have a high sensitivity to alcohol are less likely to drink to excess.
B) If heredity plays a role in alcoholism, then more than one gene is involved.
C) For alcoholics who begin drinking heavily in adulthood, heritable factors are strongly involved.
D) Genes may affect how much a person needs to drink before feeling high.

Biological Model

An approach in psychology and medicine that focuses on biological factors, such as genetics and neurochemistry, in explaining behavior and mental processes.

Addiction

A chronic, relapsing disorder characterized by compulsive drug seeking, continued use despite harmful consequences, and long-lasting changes in the brain.

Heredity

The biological process through which genetic characteristics are transmitted from one generation to the next.