Chapter 6 Objectives

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1. Review the process of fertilization, from the point of deposition of sperm in the vagina through implantation of a conceptus and the subsequent initial embryonic development and maturation.


Textbook Reference: Development Passes through Distinct Stages, pp. 149–154


2. Review the genetic bases of sex determination and the events leading up to the sexual differentiation of the male and female gonads.


Textbook Reference: Genetic Sex Is Determined at Fertilization, pp. 154–159


3. Describe the involvement of the Y chromosome in the development of male gonads and relate it to Turner syndrome and gonadal intersexuality.


Textbook Reference: Genetic Sex Is Determined at Fertilization, pp. 154–159


4. Provide a complete survey of the process of sexual differentiation of the internal and external reproductive structures of males and females.


Textbook Reference: Sexual Development Involves Growth or Breakdown of Precursor Structures, pp. 159–166


5. Describe the sexual developmental anomalies of androgen insensitivity syndrome, congenital adrenal hyperplasia, 5α-reductase deficiency, and hypospadias.


Textbook Reference: Sexual Development Involves Growth or Breakdown of Precursor Structures, pp. 159–166


6. Identify some of the main structural sexual dimorphisms in the central nervous system and discuss the evidence that suggests they have been caused by hormones.


Textbook Reference: Hormones Influence the Sexual Differentiation of the Central Nervous System, pp. 166–169


7. Describe the organizational and activational effects of hormones on various reproductive functions.


Textbook Reference: Early Hormonal Exposure Influences Later Sexual Behavior, pp. 169–172


8. Discuss the role of factors other than sex hormones on sexual development.


Textbook Reference: Other Y-Linked Genes besides SRY Influence Development, pp. 172–173


9. Thoroughly review the anatomical and physiological events of puberty and their endocrine regulation in girls.


Textbook Reference: Puberty Marks Sexual Maturation, pp. 174–180


10. Thoroughly review the anatomical and physiological events of puberty and their endocrine regulation in boys.


Textbook Reference: Puberty Marks Sexual Maturation, pp. 174–180


11. Outline the factors that influence or trigger puberty onset. Describe what can happen when pubertal development occurs early or late.


Textbook Reference: Puberty Marks Sexual Maturation, pp. 174–180


12. Describe the social and ethical issues that surround children with intersexed conditions.


Textbook Reference: Intersexuality Raises Complex Social and Ethical Issues, pp. 180–182


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