• dandelion (she/her)@lemmy.blahaj.zone
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    10 hours ago

    The peaks do not designate “cis”, you can be cis and fall anywhere on the chart - being cis is about the sex you were arbitrarily assigned at birth (and whether that assignment aligns or conflicts with your actual gender identity).

    And when doctors change assignments, it’s really unclear whether you’re cis or not if you transition - e.g. a baby assigned female at birth who is then weeks later assigned male at birth later transitions to be a girl, she was originally assigned female at birth - is she trans or cis?

    Instead the peaks represent the most common combination of male and female sex traits in humans, with the slopes representing less common combinations of traits, e.g. to the left of the male peak might be men who experience excessive androgenization like lots of body hair, maybe precocious puberty, early balding, and so on (more male traits than average).

    This chart as a model of sex actually doesn’t make much sense, since sex has been redefined in light of how complex sex is and the differences in sexual development that occur.

    Where on the chart would we put someone with complete androgen insensitivity syndrome (CAIS)? With CAIS a person is born with XY chromosomes and thus has a typical male karyotype, but their androgen receptors do not respond to androgens, so none of the masculinization is able to occur - leading the person to look, develop, and usually live as a woman.

    The chart implies a spectrum, when the reality of biological sex is much more complex than a simple spectrum would allow - more like a constellation. Each sex differentiated trait is an axis / spectrum of its own, and there are thousands of ways differentiation can happen.

    EDIT: oh, and to answer your question, it sounds like your question is really whether the peaks on a bimodal distribution represent a smaller number than the tails in aggregate, and the answer is that it depends on how you select your aggregates and how much of the peak you lump together. I think the entire point of the bimodal distribution, though, is to show that the majority fall on the peaks while the tails represent a minority.

    That said, a MRI study found that when examining brain sex, >90% of people (mostly cis) were not able to be classed as having fully male or female brains, so realistically I think it’s fair to say most people are sexually divergent in some way.

    • Bennyboybumberchums@lemmy.world
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      13 hours ago

      So what youre saying is, is that because theres like 200 per million babies born without legs. That means we cant classify human beings as a bipedal species?

      I mean, if you ask the owner of dog if the dog is a boy or a girl… How does the owner know what to answer? Do they take the dog for an MRI? Do some blood tests? How would they know?

      And why would a doctor “assign” one sex, and then change their mind two weeks later? Is this a particularly stupid doctor?

      All the shit to worry about in life, and this nonsense is what people choose to focus on.

      • dandelion (she/her)@lemmy.blahaj.zone
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        12 hours ago

        There are like 1 in 100 people born trans, a similar number born intersex. It’s as common as having green eyes or having red hair.

        Regardless, I figure the scientists are probably looking at this with more detail and seriousness than either of us.

        • Bennyboybumberchums@lemmy.world
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          11 hours ago

          well, thats a fucking lie.

          That census data came from Brighton, which last time I checked, was the LGBT capital of the UK, if not the world.

          Trans people account for between 0.1 and 0.6% of the population, and intersex is even less at 0.018%.

          Stop getting your facts from facebook.

          • barooboodoo@lemmy.zip
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            5 hours ago

            Accurate statistics on the number of transgender people vary widely,[11] in part due to different definitions of what constitutes being transgender.[6] Some countries collect census data on transgender people, starting with Canada in 2021.[12][13][14][15] Generally, less than 1% of the worldwide population is transgender, with figures ranging from <0.1% to 0.6%.[16][17]

            From wikipedia.

              • barooboodoo@lemmy.zip
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                5 hours ago

                I’m providing context for why numbers regarding transgender people are fuzzy at best and why telling someone they’re “fucking lying” about them is misguided at best.