QUESTION 1 Which of the following accurately summarizes the biochemical basis of aggression? a. MAO produced in the prefrontal cortex hinders the amygdala's ability to calm the individual. b. Aggression results both from excessive testosterone and from excessive serotonin. c. The amygdala's ability to calm the individual is reduced in individuals with the MAOA gene. d. High serotonin levels facilitate and low serotonin levels hinder the prefrontal cortex's ability to regulate aggressive behavior.