DNA surgery on embryos removes diseaseBy James Gallagher
Health and science reporter, BBC News website
28 September 2017
http://www.bbc.com/news/health-41386849 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. The embryos were not implanted.
[...]
Excerpt.