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Sex differences in human physiology are distinctions of physiological characteristics associated with either male or female humans. These differences are caused by the effects of the different sex chromosome complement in males and females, and differential exposure to gonadal sex hormones during development. Sexual dimorphism is a term for the ...
t. e. Sex differences in humans have been studied in a variety of fields. Sex determination generally occurs by the presence or absence of a Y in the 23rd pair of chromosomes in the human genome. Phenotypic sex refers to an individual's sex as determined by their internal and external genitalia and expression of secondary sex characteristics.
The neuroscience of sex differences is the study of characteristics that separate brains of different sexes. Psychological sex differences are thought by some to reflect the interaction of genes, hormones, and social learning on brain development throughout the lifespan. A 2021 meta-synthesis led by Lise Eliot found that sex accounted for 1% of ...
Twice as many male internet users as females identified as gay or bisexual (16% vs. 8%). People aged 18–29 were the most likely to identify as non-heterosexual (15%), followed by those aged 30–49 (10%). Only 5% of the population aged 50 or more consider themselves gay or bisexual.
Across countries, males have performed better on mathematics tests than females, but there is the possibility male-female difference in math scores is related to gender inequality in social roles. Some psychologists believe that many historical and current sex differences in mathematics performance may be related to boys' higher likelihood of ...
Sex–gender distinction. While in ordinary speech, the terms sex and gender are often used interchangeably, [1] [2] in contemporary academic literature, the terms often have distinct meanings, especially when referring to people. Sex generally refers to an organism's biological sex, while gender usually refers to either social roles typically ...
Definition. Psychological sex differences refer to emotional, motivational, or cognitive differences between the sexes. [9] [8] Examples include greater male tendencies toward violence, [10] or greater female empathy. The terms "sex differences" and "gender differences" are at times used interchangeably, sometimes to refer to differences in ...
Non-binary [a] and genderqueer are umbrella terms for gender identities that are not solely male or female (identities outside the gender binary ). [2] [3] Non-binary identities often fall under the transgender umbrella since non-binary people typically identify with a gender that is different from the sex assigned to them at birth, [3] though ...
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