Sex isn’t chromosomes: the story of a century of misconceptions about X & Y

Sex isn’t chromosomes: the story of a century of misconceptions about X & Y:

“The influence of the XX/XY model of chromosomal sex has been profound over the last century, but it’s founded on faulty premises and responsible for encouraging reductive, essentialist thinking. While the scientific world has moved on, its popular appeal remains.”

(Via. NewStatesman)

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3 thoughts on “Sex isn’t chromosomes: the story of a century of misconceptions about X & Y

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    Dr. Paul MacDonald (University of Arizona Medical School) conducted research culminating in a presentation (1974) documenting three linear paths of femaleness and maleness.

    One linear path was for the XY chromosome, two were for the XX chromosome, and he included the variants of X and Y found along each of those three paths.

    All three lines provided ‘normal’ at either ends – ‘normal’ female or ‘normal’ male – with stages of the diagnosed inter-sex states in between them. He documented a ‘normal’ female can have XY and a ‘normal’ male can have XX.

    For certain, his research and presentation established there is no strict binary to sex and gender, but rather a variety that spans those three linear options depending upon the diagnosis.

    His research and conclusions seem to have stood the test of time these past 40-some years.

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