HS lec6 - Sex and Gender Sex and Gender 0. The sexes =...

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Sex and Gender Sex and Gender 0. The sexes = biologically determined categories of female, male, both 0. Strong cultural pressure for 2 discrete sexes 1. Gender = socially constructed role with emotional implications, cognitive aspects, and spiritual meaning 1. Strong cultural pressure for 2 discrete genders Sexual Differentiation 2. Ova (X) + sperm (X or Y) = XX or XY 3. First 6-7 weeks – all embryos have 2 primitive duct structures 4. H-Y antigen produced by Y chromosome required for testicular development 5. Testes produce androgens – Wolffian ducts develop into internal male structures 6. No H-Y antigen – no androgen – Mullerian ducts develop into internal female genitalia Interaction between genetic makeup and hormone production controls the development of: 7. Internal sex structures 8. External genitalia 9. Brain* * Also environment !! Variations in Genes/Hormones 10. 70 identified conditions that affect reproductive organs and/or reproduction 11. Examples 2. Turner’s syndrome – XO; external female, internal not developed, sterile 3. Klinefelter’s syndrome – XXY; undersized external male genitals, sterile Variations in Genes/Hormones Intersexed individuals 12. Examples 4. Chimeras – XX and XY cells 5. Androgen insensitivity syndrome – XY; cells insensitive to androgens 6. Female adrenogenital syndrome – XX; masculinized by prenatal exposure to excessive androgens 7. DHT-deficiency – XY; genitals appear female prior to puberty and then male after puberty Environment and Biology: The John/Joan Story
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Cultural Influence 13. Customs, rituals and rules that provide social coherence in a group 14. Dress, circumcision, coming-of-age rituals, expression of sexuality Social Influence 15. Socially encouraged patterns of behavior that people are expected to
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This note was uploaded on 09/18/2009 for the course PSYC 140 taught by Professor Roberts during the Spring '09 term at UCSD.

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HS lec6 - Sex and Gender Sex and Gender 0. The sexes =...

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