Psychology 2035A/B Lecture Notes - X Chromosome, Pubic Hair, Clitoris
15 Dec 2013
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Becoming male or female: the role of biology and socialization (ch. Part 1: reproductive biology prenatal sexual differentiation (see also ch. Mother"s egg ( x sex chromosome: the genetic factor. Father"s sperm ( x or y sex chromosome. If x sperm fertilizes egg: genetic female (xx) If y sperm fertilizes egg: genetic male (xy: the gonadal factor (development of reproductive organs: testes and ovaries) Inhibits development of ovaries: problems: true hermaphrodites : Genetic female (xx); with tiny piece of y chromosome attached (xxy) Big enough to stimulate development of testes, not big enough to inhibit development of ovaries (therefore both) (pseudo-hermaphrodites don"t have both: the hormonal factor (development of sex organs: penis or clitoris and vagina) Testes produce androgens: when androgens are present, a penis develops (the adam principle, when absent, clitoris and vagina develop (the eve principle) Genetic female with unusually active adrenal glands (produce androgens)
