If an offspring receives a recessive allele for a single-gene trait from both biological parents, the trait will develop in that offspring.

In the later stages of his career, Ellis turned his attention toward applying his REBT techniques to

a) gender issues. b) the supernatural. c) political campaigns. d) the challenges of disability.

The same genes that contribute to schizophrenia might also be involved in the development of a. panic disorder

b. antisocial personality disorder. c. major depressive disorder. d. bipolar disorder.