Question

question 9 of 10
what is the link between heredity and drug addiction?

a. substances cause people to have addicted genes.
b. some people have genes that make it easier for them to become addicted to drugs.
c. genes are not related to addiction.
d. everyone has genes that make it easy to become addicted to drugs.

Explanation:

Genetic factors contribute to individual vulnerability to drug addiction. Research shows some genes affect brain reward systems or drug metabolism, increasing addiction risk, but not everyone has such genes, and substances don’t create "addicted genes."

Answer:

B. Some people have genes that make it easier for them to become addicted to drugs.