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  2. Male - Wikipedia

    en.wikipedia.org/wiki/Male

    The symbol of the Roman god Mars (god of war) is often used to represent the male sex. It also stands for the planet Mars and is the alchemical symbol for iron.. Male (symbol: ♂) is the sex of an organism that produces the gamete (sex cell) known as sperm, which fuses with the larger female gamete, [1] [2] [3] or ovum, in the process of fertilisation.

  3. Sex differences in human physiology - Wikipedia

    en.wikipedia.org/wiki/Sex_differences_in_human...

    The human brain. Differences in male and female brain size are relative to body size. [85] Early research into the differences between male and female brains showed that male brains are, on average, larger than female brains. This research was frequently cited to support the assertion that women are less intelligent than men.

  4. Man - Wikipedia

    en.wikipedia.org/wiki/Man

    [a] [2] [3] Before adulthood, a male human is referred to as a boy (a male child or adolescent). Like most other male mammals, a man's genome usually inherits an X chromosome from the mother and a Y chromosome from the father. Sex differentiation of the male fetus is governed by the SRY gene on the Y chromosome.

  5. Haldane's rule - Wikipedia

    en.wikipedia.org/wiki/Haldane's_rule

    In humans, barring intersex conditions causing aneuploidy and other unusual states, it is the male that is heterogametic, with XY sex chromosomes.. Haldane's rule is an observation about the early stage of speciation, formulated in 1922 by the British evolutionary biologist J. B. S. Haldane, that states that if — in a species hybrid — only one sex is inviable or sterile, that sex is more ...

  6. Trump signs executive orders proclaiming there are only two ...

    www.aol.com/news/trump-sign-executive-orders...

    The gender order states that it will "defend women’s rights and protect freedom of conscience by using clear and accurate language and policies that recognize women are biologically female, and ...

  7. Sex–gender distinction - Wikipedia

    en.wikipedia.org/wiki/Sex–gender_distinction

    Robert Stoller, whose work was the first to treat sex and gender as "two different orders of data", in his book Sex and Gender: The Development of Masculinity and Femininity, [45] uses the term 'sex' to refer to the "male or the female sex and the component biological parts that determine whether one is a male or a female". [46]

  8. Masculinity - Wikipedia

    en.wikipedia.org/wiki/Masculinity

    [2] [3] [4] It is distinct from the definition of the biological male sex, [5] [6] as anyone can exhibit masculine traits. [7] Standards of masculinity vary across different cultures and historical periods. In Western cultures, its meaning is traditionally drawn from being contrasted with femininity.

  9. Male expendability - Wikipedia

    en.wikipedia.org/wiki/Male_expendability

    Male expendability, the relative expendability argument, or the expendable male hypothesis, is the idea that the lives of male humans are of less concern to a population than those of female humans because they are less necessary for population replacement.