Which of the Following Would Be a Legitimate Summary of the Role

Multiple Choice

Which of the following would be a legitimate summary of the role of genes in causing abnormal behavior?

A) Single genes have been found for many mental disorders.
B) Scientists have found the gene or genes responsible for only a few, rare forms of mental disorder.
C) Scientists have not yet been able to locate any gene responsible for a mental disorder.
D) The influence of genes is almost always greater than the influence of environment.