Steve's penis is becoming even more erect and has secreted a few drops of fluid after beginning to have sex. He is likely to be in the __________ stage of the sexual response cycle according to Masters and Johnson

What two processes during the formation of sperm and eggs help explain genetic changes within a population?

What will be an ideal response?

Melcia's parents were surprised to learn that _______________ is the most likely to be effective in the treatment of their daughter, even though her disorder, autism, has biological origins

a. psychodynamic therapy b. family intervention therapy c. cognitive therapy d. behavior therapy