In terms of the genetic influences in the development of alcohol use disorders, it has been shown that
A) most offspring of people with alcohol use disorders develop these disorders as well.
B) the enzyme necessary for breaking down alcohol is not present in those with alcohol use disorders.
C) the brains of people with alcohol use disorders contain a gene that influences the sensitivity of dopamine receptors to alcohol.
D) Individuals who are prone to alcohol use disorders have a specific abnormality on chromosome 10.
E) the concordance rate for monozygotic twins is generally higher than it is for dizygotic twins.

Question

Quizplus · Accepted Answer

The concordance rate for monozygotic twins, who share all of their genes, is generally higher than it is for dizygotic twins, who share only about half of their genes. This suggests that genetics play a role in the development of alcohol use disorders. However, it is important to note that environmental factors also contribute to the development of these disorders. The other answer choices are not accurate or complete explanations of the genetic influences on alcohol use disorders.

In Terms of the Genetic Influences in the Development of Alcohol