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Delve into the complexities of sex and gender definitions, from genetic and anatomical traits to psychosocial meanings of maleness and femaleness. Learn about gender identity formation, typical prenatal differentiation, sexual differentiation of the brain, and atypical prenatal differentiation. Explore social learning influences on gender identity, the interactional model of nature versus nurture, and issues like transsexualism, transgenderism, and gender roles. Discover how agents of socialization shape gender expectations and the concept of androgyny in transcending traditional gender roles.
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Sex and GenderDefinitions • Sex • genetic, anatomical • Gender • psychosocial meaning of maleness and femaleness • Gender Identity • subjective sense of being male or female • Gender (Sex) Role • cultural norms for male and female behavior
Gender-Identity Formation • Typical prenatal differentiation • 23 human chromosomes • 22 autosomes and 1 sex chromosome • Chromosomal sex • XX: female XY: male • DSS gene on X • SRY gene on Y
Typical Prenatal Differentiation • Gonadal sex • Ovaries or testes • Hormonal sex • Estrogens and androgens
Typical Prenatal Differentiation • Internal structures • Müllerian duct • Males – Vas deferens, seminal vesicles, ejaculatory duct • Wolffian duct • Females – Fallopian tubes, uterus, inner 1/3 vagina • External structures • Genital tubercle • Clitoris or penis • Labioscrotal swelling • Labia or scrotum
Sex Differentiation Of The Brain • Hypothalamus • Differentiates in pregnancy • Directs production of sex hormones • May influence sex differences and sexual functioning • Cerebral hemispheres • Corpus callosum
Atypical Prenatal Differentiation • Intersexed • True hermaphrodites • Pseudohermaphrodites • Sex chromosome disorders • Turner’s syndrome XO • Klinefelter’s syndrome XXY
Atypical Prenatal Differentiation • Disorders affecting prenatal hormonal processes • Androgen insensitivity syndrome (AIS) • Fetally androgenized females • DHT-deficient males
Social Learning Influences on Gender Identity • Firm gender identity by age 3 • Mead study • Culture determines gender role • Long-term case studies by Money • Psychosexually neutral at birth • Follow-up of Money’s cases by Diamond • Another case often overlooked (Bradley) • Long-term problems with surgical reassignment
The Interactional Model • Nature • Biological determinants • Nurture • Social learning and the environment • Acknowledge the interaction of both • Relative roles are still unclear
Transsexualism and Transgenderism • Transexualism • Gender identity is opposite to biological sex • Transgendered • Appearance and/or behavior does not conform to traditional gender roles • Variations of transgendered behaviors • Intersexed people • Gender Identity vs. sexual orientation
Transsexualism • Etiology • Options • Gender blending/cross-dressing • Psychotherapy • Sex reassignment • Outcomes
Gender Roles • Gender-based stereotypes (North American) • Males • Independent and aggressive • Females • Dependent and submissive • Recent trend away from rigid stereotypes • Women less entrenched than men in rigid gender-role stereotypes • Ethnic variation in gender roles
Gender RolesAgents of Socialization • Parental expectations • Peers • School teachers and textbooks • Television and gender-based stereotypes • Religious training
Gender Role Expectations • Women undersexed, men oversexed • Men initiate, women receive • Women as controllers, men as movers • Men are unemotional and strong • Women are nurturing and supportive
AndrogynyTranscending Gender Roles • Having characteristics of both sexes • Benefits • Drawbacks • May show more flexibility and comfort with sexuality