After reading this chapter, you will be able to

7.1 Contrast sex with other motivated behaviors.
7.2 Demonstrate the role of hormones, brain structures, and odors in sexual behavior.
7.3 Understand how chromosomes and hormones shape our development.
7.4 Identify hormonal and brain differences between females and males.
7.5 Determine the origins of male and female differences in behavior and cognition.
7.6 Explain the role of biological influences on gender identity.
7.7 Examine transgenderism, intersex, and their effects on the brain and behavior.
7.8 Assess the impact of biological influences on sexual orientation.
7.9 Describe the genetic, prenatal, and social influences on the biological model of sexual orientation.