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Woman with Two Skin Tones, Two Immune Systems Is a Living, Breathing Medical Oddity

Taylor Muhl, a model and singer from California, often says that she is her own twin, and as strange as that sounds, she means it quite literally. The 33-year-old was diagnosed with genetic Chimerism, an extremely rare condition explained as “an organism composed of cells from different zygotes”.

As a child, Taylor was obsessed with twins, constantly asking her mother if she had a twin sibling, and playing twins with her girlfriends, but little did she know that she actually was her own twin. Doctors say that the model absorbed her fraternal twin while in the womb, and parts of its DNA now exist in her body, making her a Chimera, of which there are only 100 known cases in the whole world. But even as a human Chimera, Taylor’s case is a rare and fascinating one, because while most Chimeras only display the symptoms internally or have very small skin marks, Muhl’s stomach is split down the middle into two skin tones.

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