An undated composite handout photo made available by the Oregon Health and Science University shows a sequence of the development of embryos after co-injection of a gene-correcting enzyme and sperm from a donor with a genetic mutation known to cause hypertrophic cardiomyopathy. Photo: EPA An undated composite handout photo made available by the Oregon Health and Science University shows a sequence of the development of embryos after co-injection of a gene-correcting enzyme and sperm from a donor with a genetic mutation known to cause hypertrophic cardiomyopathy. Photo: EPA
An undated composite handout photo made available by the Oregon Health and Science University shows a sequence of the development of embryos after co-injection of a gene-correcting enzyme and sperm from a donor with a genetic mutation known to cause hypertrophic cardiomyopathy. Photo: EPA

Medical breakthrough: disease-causing gene is edited out of human embryos

The ability to thwart hereditary disease - not just for one child, but for all their future generations - could present enormous benefits, as well as ethical questions

An undated composite handout photo made available by the Oregon Health and Science University shows a sequence of the development of embryos after co-injection of a gene-correcting enzyme and sperm from a donor with a genetic mutation known to cause hypertrophic cardiomyopathy. Photo: EPA An undated composite handout photo made available by the Oregon Health and Science University shows a sequence of the development of embryos after co-injection of a gene-correcting enzyme and sperm from a donor with a genetic mutation known to cause hypertrophic cardiomyopathy. Photo: EPA
An undated composite handout photo made available by the Oregon Health and Science University shows a sequence of the development of embryos after co-injection of a gene-correcting enzyme and sperm from a donor with a genetic mutation known to cause hypertrophic cardiomyopathy. Photo: EPA
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