A scientist in China claims to have created the world’s first genetically edited babies, in a potentially ground-breaking and controversial medical first.
If true, it would be a profound leap of science and ethics. This kind of gene editing is banned in most countries as the technology is still experimental and DNA changes can pass to future generations, potentially with unforeseen side-effects.
Many mainstream scientists think it is too unsafe to try, and some denounced the Chinese report as human experimentation.
The researcher, He Jiankui of Southern University of Science and Technology in Shenzhen, said he altered embryos for seven couples during fertility treatments, with one pregnancy resulting so far. He said his goal was not to cure or prevent an inherited disease, but to try to bestow a trait that few people naturally have: an ability to resist possible future infection with HIV.
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