A child will develop PKU only if the child receives a recessive gene from both parents. PKU is an example of a __________ trait

A person experiences a traumatic event during childhood. A developmental psychologist would view the traumatic event as an example of which of the following?

a. biological factor b. random factor c. representative factor d. environmental factor

According to James Marcia, when an adolescent moves back and forth between the moratorium and identity achievement categories of identity development, this is called __________

a) identity diffusion b) moratorium c) a "MAMA" cycle d) identity foreclosure