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'A world of genetic haves and have-nots'
Leading biologists and ethicists at the National Academy of Sciences in Washington have been discussing both the potential and the possible dangers of gene editing.
Leading biologists and ethicists at the National Academy of Sciences in Washington have been discussing both the potential and the possible dangers of gene editing, a technique that allows DNA to be 'cut and pasted' into cells, altering the genes passed from parents to children.
Fergus Walsh reports.
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