Question 1 Discuss the behavioral genetics of individual differences, being sure to focus on common misunderstandings about heritability estimates. Question 2 Two brain structures have been most frequently linked to human emotion. Which are they? Describe research that has implicated each in human emotion. Question 3 Explain color constancy. What important points does it make about the mechanisms of color vision? Describe a theory of color vision that can explain color constancy, focusing on the evidence that led to the theory. Question 4 Compare set-point and positive-incentive theories of hunger and eating. Compare their ability to predict two major research findings. Question 5 Describe and discuss sexual dimorphisms of the mammalian brain. How do they develop? Include cyclic gonadotropin release, the sexually dimorphic nucleus, and the aromatization hypothesis in your answer.