PSYC 2450 Lecture Notes - Lecture 2: Birth Order, Antibody, Sexual Differentiation

• School: University of Guelph
• Department: Psychology
• Course: PSYC 2450
• Professor: Boyer Winters

Document Summary

Facts & fiction: men-mars/ women-venus: application [not in text] Adolescent sexuality [stis: based on the 2 sex x 2 gender x 2 sexual orientation table presented in class, what is meant by a. 2 sex x 2 gender x 2 sexual orient"n penis (xy) vagina (yy) Theories of gender typing & roles: level 2 headings: genes, hormones, social/cultural influences. Different mating strategies theory: males: inseminate as many females as possible (low parental investment) females: genetic survival = babies survival (high parental investment) Implications [to be criticized in 3450 : males wish to have sex more often & with more partners than do females (default, marry only as a concession. (1)biology is the initial driver, at two points: conception & puberty. Xy -> testes -> testosterone -> growth penis. Focus on research box 14. 4 (dominican republic-tfs study, 1979) Testicular feminization syndrome (tfs) rare disorder makes body insensitive to male hormone (t) influence.