Since mood disorders are characterized by many different symptoms,most researchers believe that
A)mood disorders will eventually be related to a single gene which regulates mood.
B)mood disorders will eventually be related to a set of genes.
C)mood disorders must be due to dysregulation of norepinephrine and serotonin.
D)mood disorders are related to a single gene called N34.

Question

Quizplus · Accepted Answer

Since mood disorders have a wide range of symptoms, they are likely to be caused by a combination of genetic and environmental factors. Many studies suggest that multiple genes are involved in the development of mood disorders, rather than a single gene. Therefore, option B is the best choice.

Since Mood Disorders Are Characterized by Many Different Symptoms,most Researchers