Which statement about research on the genetics of schizophrenia is accurate ?
A) Too little genetic research has been done to come to any conclusions.
B) Heredity appears to play almost no role in causing schizophrenia.
C) Schizophrenia occurs only among identical and fraternal twins.
D) Multiple genes interact, while single genes make only a minor contribution.

Question

Quizplus · Accepted Answer

Research on the genetics of schizophrenia indicates that the condition is highly complex, involving the interaction of multiple genes, each contributing a small effect, rather than being caused by a single gene. This complexity suggests that the genetic basis of schizophrenia involves numerous genetic variations that interact with each other and with environmental factors.

Which Statement About Research on the Genetics of Schizophrenia Is