PSY 324 Chapter Notes - Chapter 10: Paramesonephric Duct, Muscular Development, Sex Organ
11 Apr 2020
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Genetic sex: chromosomes xx or xy, china- female kids were given away, puts blame on mother- for not giving male heir, but depends on the man not women. Sex organs: 0-6 weeks; undifferentiated before 6th week, undifferentiated gonads, undifferentiated precursor tissue, mullerian ducts, wolffian ducts, 7-8 week; exposed to hormones, gonads (testis/ovaries) are the first to be determined. Important for production of sperm/ova and hormones: what determines this, presence of sry gene only on y chrome, causes gonads to become testes bc only men have y, 12+ week; fully developed by 12th week. Xx male syndrome: genetic sex is female , sry is translocated to x chromosome. It"s usually only on y: male gonads (ex/ testes) are formed. Infertile, shorter than average, less hair, gynecomastia: why, other male characteristics on the y chromes needed for typical male characteristics to develop. Organizing effects hormones: sexual dimorphism is largely a result of hormone exposure, rodents vs.
