Which Statement About the Role of Genes in Abnormal Behavior

Multiple Choice

Which statement about the role of genes in abnormal behavior is FALSE?

A) Genes probably play no part in mental disorders.
B) The Human Genome Project, completed in 2000, helped identify the precise contribution of various genes to mental disorders.
C) Each human cell contains approximately 20,000 genes, some of which may contribute to mental disorders.
D) In most cases, several genes combine to help produce dysfunctional behavior.