The biological mystery of the twin who was never born
In short: What if you carried the DNA of a sibling you never knew existed? This video explores the extraordinary phenomenon of chimerism and how a search for a kidney donor revealed a hidden genetic identity.
The video examines the condition known as chimerism, a biological state where an individual possesses cells with different genetic makeups. The story begins with Karen Keegan, who discovered through genetic testing that some of her cells contained a completely different set of genes belonging to a twin sister who was never born.
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Sources
- Summary by Intellect · source: You could have a secret twin (but not the way you think) - Kayla Mandel Sheets
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