Human embryos have been genetically modified for the first time, leading to the prospect of designer babies, according to a leading scientific journal.
Scientists speaking anonymously to Nature have said that several laboratories have altered the DNA of human embryos, with the results of their work now awaiting publication. Although illegal in much of the world, such techniques would not break the law everywhere, being allowed in Russia and parts of South America.
Alterations to individual human genomes have the potential to revolutionise medical care, enabling genetic diseases to be prevented and significantly lessening the risk of others that are partially genetic, such as some forms of breast cancer.
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