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Sexuality Kids learn about sex from parents peers and media Adult sexual behaviors and attitudes are not like those depicted in popular media Cultivation effect media is running the perception of the world Americans don t have sex as often as TV personalities Sexual partners tend to be alike in many ways age education and ethnicity Sexual partners tend to meet in conventional ways through social networks Only a third of 18 59 yr olds have intercourse as often as twice a week When adults are asked how many partners they have had in the past year 71 have had one Gender and Sexual Orientation Sexual Differentiation of Body The fetus is unsexed in early development All fetuses have primordial gonads and Wolffian male reproductive tract and Mullerian Duct female reproductive tract systems o Primordial gonads Cortex Proliferate for ovaries Medulla Proliferate for testes We all start the same way In the sex region there is a gene that causes the fetus t become a specific sex Intersex is when you are not clearly male or female CAH Hormones or culture In some situations genetically female fetuses are exposed to androgens male hormones Ex Congenital Adrenal Hyperplasia Gender Differences CAH Girls are better at spatial ability than regular women more likely to be career oriented more masculine tomboy shown to have higher tendency of bisexuality shown to have a higher rate of transgender Androgen Insensitivity Syndrome a genetic male may be insensitive to androgens secreted by the testes condition gives them a high chances of developing testicular cancer gender identity is usually female Gueuoduces or Quevote Genetic male can have a deficiency of 5 alpha reductase Feminized phenotype at birth and the appearance of testicles around puberty Sex Chromosome Disorders Turner Syndrome Causes o A chromosome is lost o Highest spontaneous abortion rate Doesn t seem that people can survive with just 46 chromosomes Characteristics o People who survive with turner syndrome develop the disorder later in prenatal development o May or may not be identified at birth o Have webbed necked Issues o Kidney Problems thyroid problems o Less than 5 feet tall as adults Turner neurocognitive phenotype Klinefelter s Syndrome 1 in 1000 male births most common in male births most are infertile very tall excess of 6 feet 6 inches usually have emotional problems language problems o speech delay o reading problems o lower reading IQ at puberty develop body fat like women do often develop breasts


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BU PSYC 111 - Sexuality

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