The science, variations beyond XX and XY. Biological sex and chromosom (combinations are more diverse than a strict XX/XY binary:)
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The science, variations beyond XX and XY. Biological sex and chromosome
Biological sex and chromosome combinations are more diverse than a strict XX/XY binary:
• Klinefelter Syndrome (XXY): Males born with an extra X chromosome.
• Turner Syndrome (XO): Individuals born with only a single X chromosome.
• Trisomy X (XXX) or XYY: Other variations in sex chromosome count.
• Intersex Variations: Cases where chromosomal makeup, internal anatomy, or external genitalia develop in ways that do not fit neatly into typical definitions of strictly male or female. Transsexuals in other words.