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  2. One-sex and two-sex theories - Wikipedia

    en.wikipedia.org/wiki/One-sex_and_two-sex_theories

    The change from the one-sex model to the two-sex model helped to create a new understanding of gender in the meaning of human history. There is an "increasing differentiation of male and female social roles; conversely, a greater differentiation of roles and a greater female 'delicacy and sensibility' are [seen as] signs of moral progress."

  3. Sexual selection in humans - Wikipedia

    en.wikipedia.org/wiki/Sexual_selection_in_humans

    Human female mating competition is complex and multifaceted and varies across cultures, societies, and individuals. [94] Females may compete for high-quality mates who possess traits that indicate underlying genetic quality, possibly including physical attractiveness and intelligence, [ 95 ] or material resources that can enhance the survival ...

  4. Trump's definition of 'male,' 'female' criticized by medical ...

    www.aol.com/trumps-definition-male-female...

    Trump's executive order declares sex as "an individual's immutable biological classification as either male or female" and states that "gender identity" cannot be included in the definition of ...

  5. Sex differences in human physiology - Wikipedia

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

    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.

  6. Sexual differentiation in humans - Wikipedia

    en.wikipedia.org/wiki/Sexual_differentiation_in...

    The human Y chromosome showing the SRY gene which codes for a protein regulating sexual differentiation. Sexual differentiation in humans is the process of development of sex differences in humans. It is defined as the development of phenotypic structures consequent to the action of hormones produced following gonadal determination. [1]

  7. Trump to issue executive order defining sex as ‘male and ...

    www.aol.com/news/trump-executive-order-define...

    President Trump will on his first day in office Monday issue an order defining a person's sex as "male or female" — requiring government agencies to use the "immutable" designation on forms and ...

  8. Femininity - Wikipedia

    en.wikipedia.org/wiki/Femininity

    Women in Ancient Greece wore himations; and in Ancient Rome women wore the palla, a rectangular mantle, and the maphorion. [54] The typical feminine outfit of aristocratic women of the Renaissance was an undershirt with a gown and a high-waisted overgown, and a plucked forehead and beehive or turban-style hairdo. [54]

  9. Biologists Rip Trump’s 'Non-Sensical' Executive Order ...

    www.aol.com/biologists-rip-trump-non-sensical...

    In its strangely constructed definitions of “female” and “male,” the order states that a person’s gender is defined by the size of a “reproductive cell” at the moment of conception ...