The "social psychologists" are talking on Twitter again:
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The inventor of Genocide gets an anti-deaf bigot in his replies:
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"there's no way to tell whether someone's male or female by looking at their genitalia or chromosomes!!!"
i have to autistically, amateurishly sexfag for a bit, please chime in if you know more than me. actual sex, not bimodal sex
characteristics, is ONLY whether the SRY gene (or equivalent) functioned and began the male developmental path. generally, resulting in being capable of bearing large versus small gametes. it's why you can usually phenotypically rule this out by the presence of testes or ovaries (once in a while, you can't because they're missing or one partially developed). EVEN if you can't, people with advanced intersex conditions like ovotestes have a dominant developmental path, and are either male or female in biological reality, regardless of whether or not the doctor was right. one of the paths eventually shuts off when the other is activated in the womb (wolffian versus mullerian). everyone who says sex determination is impossible in humans is medically illiterate or lying. there are no true hermaphrodites. there are animals who can actually change sex or be both male and female and we aren't one of them. it is incompatible with life for a child to not have a sex. and the "exceptions" of genetic chimerism and mosaicism, which only a few autistic troons will bring up, are caused by a fusion of the material from two fetuses so we're no longer looking at an individual anymore. said person can be both XX and XY (but this does not determine their sex, read the second sentence again). despite true and rare medical curiosities like some females developing "phallic" material and some males developing "pouch" material, it is still impossible for a human female to produce sperm or a human male to produce eggs.
tl;dr: you can't tell whether some intersex individuals are male or female by sight. that's why you do genetic testing to figure out which condition it is, how it affected them, and which path they went down. telling intersex people they "don't have a sex", "have both", or putting them in a "mystery box" is ableism. accurate human biology not being taught, because of trans politics, to the point where both experts in their field misrepresent the facts and even GC people are in the dark because of lack of public education, is frightening.
p.s. 99.9% of troons are unambiguously male or female, not intersex. still a talking point for some reason.