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  • MATERNAL PERSONALITY, EVOLUTION AND THE SEX RATIO
    ebook
    MATERNAL PERSONALITY, EVOLUTION AND THE SEX RATIO
    VALERIE J. GRANT
    Women who are dominant are more likely to have sons. Demographic studies show that more male children are born after wars, yet most people believe that their baby's sex is a matter of chance - determined by the father's sperm. Valerie Grant presents evidence that the mother's personality - which is related to female testosterone levels - can actually influence which type of spe...

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