What is the process that allows mixing the combinations of genes in a single chromosome resulting in a virtually infinite possible combination of genes?

Jules has inherited a neurobiological vulnerability involving her noradrenergic and GABA neurotransmitter systems. Which personality disorder is she at greatest risk for?

a. Obsessive-compulsive b. Narcissistic c. Schizotypal d. Histrionic

Research suggests that REM is ____

a. important for all types of memory b. most important for strengthening memories of motor skills c. most important for strengthening memories of lists of words d. not important for strengthening memories of any kind