In research looking at the biological causes of mood disorders, studies have shown that if one of a set of twins is unipolar, the chances that the other twin is bipolar are

Question

Quizplus · Accepted Answer

The genetic overlap between unipolar and bipolar disorders is limited, so if one twin has unipolar disorder, the likelihood of the other twin having bipolar disorder is slim to none.

In Research Looking at the Biological Causes of Mood Disorders