Multiple Choice
What evidence suggests that major depressive disorder is at least partly heritable?
A) Researchers have located the gene for depression on chromosome 7.
B) Monozygotic twins are more similar in depression than dizygotic twins.
C) Early exposure to viral infections may lead to a predisposition to develop depression.
D) Adoptive siblings resemble each other more in depression than half-siblings.
Correct Answer:

Verified
Correct Answer:
Verified
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