Who theorized that development is the transfer of libidinal energy from one erogenous zone to another?

A gene is

a. a chain of DNA molecules. b. an egg or sperm cell. c. the observed characteristics of a trait. d. a portion of DNA that codes for the production of one protein.

Sam is chronically getting in trouble at school. He fights with other boys, has destroyed school property, and cheats on his assignments. Sam also has been arrested by the local police for setting fires and stealing. Sam most likely would be diagnosed with ____

a. antisocial personality disorder b. conduct disorder c. temper dysregulation disorder with dysphoria d. oppositional defiant disorder