Gender is subjective to each person, and
sex organs don’t dictate gender. People with penises aren’t necessarily men, and people with vaginas aren’t necessarily women. The thing is, XX and XY chromosomes aren’t cut and dry, either. Actually, sex chromosomes and genetic expression vary widely, beyond a penis/vagina or XY/XX binary. XX and XY with the aforementioned expressions are the most common sex chromosomes and corresponding organs, but they’re not the only ones.
Some people have differing sex chromosomes, such as those who are born with an extra X chromosome (XXY) or who are missing an X chromosome (XO). Or, some people with XX or XY chromosomes might have physical characteristics that don’t seem to align with what’s typically expected of their DNA. All of this is to say that many bodies that exist outside of the assumptions that come with XX and XY sex chromosomes.
One word that often describes these bodies is “intersex.” Intersex is an umbrella term that describes any person whose sex characteristics do not neatly fit into binary categories. Intersex people might have sex organs that include both XX and XY sex characteristics. Babies born intersex are often subjected to superfluous
surgery in infancy in order to make their genitals appear either male or female.
Beyond X & Y: Chromosomes and Sex Organs, a few ways of being intersex and the how sex chromosome genetic expression can vary.
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