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South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde, 1970 openaire +1 more source
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Sex differences, sex ratios and sex roles
Proceedings of the Royal Society of London. Series B: Biological Sciences, 1994Sexual selection theory predicts that sex roles will be determined by the operational sex ratio (OSR), the sex ratio among individuals searching for mates at any given time. There are two predictions: (i) the sex which is in 'excess' will be the more competitive sex with respect to access to mates; and (ii) the sex of which there is a 'shortage' will ...
I P, Owens, D B, Thompson
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Sex in Geneva, sex in Lilongwe, and sex in Balaka
Social Science & Medicine, 2007This paper compares three interpretations of women and the transmission of HIV in rural Malawi. One is disseminated world-wide by institutions with a global reach such as the World Health Organization in Geneva and United States Agency for International Development (USAID); the second is provided by urban Malawians situated in the capital of Lilongwe ...
Linda, Tawfik, Susan Cotts, Watkins
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2023
The chapter argues that what separates permissible from perverse acts of interspecies sex in India—or husbandry from bestiality—is where it occurs geographically in proximity to an upper-caste, anthropatriarchal imaginary of a Hindu nation. It examines interspecies touch in dairy facilities and animal sterilization clinics.
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The chapter argues that what separates permissible from perverse acts of interspecies sex in India—or husbandry from bestiality—is where it occurs geographically in proximity to an upper-caste, anthropatriarchal imaginary of a Hindu nation. It examines interspecies touch in dairy facilities and animal sterilization clinics.
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Sex determination and sex reversal
Current Opinion in Genetics & Development, 2006Sex determination in mammals is based on a genetic cascade that controls the fate of the gonads. Gonads will then direct the establishment of phenotypic sex through the production of hormones. Different types of sex reversal are expected to occur if mutations disrupt one of the three steps of gonadal differentiation: formation of the gonadal primordia,
G. Camerino +3 more
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Nature Ecology & Evolution, 2018
While most species have two sexes, multi-sex systems also occur in nature. The frequency of sexual reproduction is a key parameter to explain how many sexes a species has.
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While most species have two sexes, multi-sex systems also occur in nature. The frequency of sexual reproduction is a key parameter to explain how many sexes a species has.
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Sex chromatin and sex hormones
American Journal of Obstetrics and Gynecology, 1967Abstract A study was performed on the influence of sex hormone administration on the incidence of nuclear sex chromatin bodies in women. Testosterone uniformly led to a marked reduction in the incidence of sex chromatin body while progesterone produced a reduction in the majority of cases.
S I, Dokumov, S A, Spasov
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Sex and Sex-Role Influences in Same-Sex Dyads
Social Psychology Quarterly, 1979Theorizing by Bakan (1966), Bales (1955; 1958), Block (1973), and others suggests that interactional involvement may require the application and synthesis of both traditionally "masculine " (i. e., instrumental) and traditionally "feminine " (i. e., expressive) capacities.
W, Ickes, B, Schermer, J, Steeno
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The Sex Lives of Sex Researchers
Contexts, 2014Sociologist Janice M. Irvine examines biographies of Alfred Kinsey in order to explore stigma attached to sexuality research.
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