'Chemical embryo surgery' removes disease Precise "chemical surgery" has been performed on human embryos to remove disease in a world first, Chinese researchers have told the BBC.
The team at Sun Yat-sen University used a technique called base editing to correct a single error out of the three billion "letters" of our genetic code.
They altered lab-made embryos to remove the disease beta-thalassemia, which were not implanted.
The team says the approach may one day treat a range of inherited diseases. BBC News
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