PSB 3002
Learning Objectives w/Notes under
REPRODUCTIVE BEHAVIOR
CHAPTER 10
Sexual Development
10.1 Describe the processes of gamete production and fertilization.
10.2 Explain how gonads, internal sex organs, and external genitalia develop.
10.3 Compare the organizational effects of hormones on primary sex characteristics and the activational effects on secondary sex characteristics.
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Organizational Effects of Hormones
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Masculinization and Defeminization
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Impacts the initial development of sex organs and genitalia (primary sex
characteristics that are present at birth).
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Activational Effects of Hormones
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Occur after development is complete.
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Occur at puberty as a result of mature gonads that produce sex hormones.
Hormonal Control of Sexual Behavior
10.4 Summarize the roles of hormones in phases of the menstrual cycle.
