Evidence for a genetic contribution to the development of schizophrenia is ______.
A) nonexistent
B) weak
C) moderate
D) compelling

Question

Quizplus · Accepted Answer

There is strong evidence to support a genetic contribution to the development of schizophrenia. Numerous family, twin, and adoption studies have consistently shown that there is a higher risk for developing schizophrenia among first-degree relatives of individuals with the disorder. Additionally, molecular genetic studies have identified multiple genes that are associated with an increased risk for schizophrenia.

Evidence for a Genetic Contribution to the Development of Schizophrenia