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The genetic glitch: Female body, male blood: The impossible discovery

What if your own blood belonged to someone else? In a story that sounds like science fiction, a woman in Brazil has discovered that every cell in her bloodstream carries male XY chromosomes. This medical breakthrough is baffling the world’s top geneticists. Is it the result of a "vanishing twin" from the womb, or a mutation we’ve never seen before? We break down the science of microchimerism and the terrifying moment doctors realized her DNA didn't match her body.

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