They did using a process known as gene editing. There are many hurdles tojump but this raises the hope of preventing thousands of inherited genetic disorders. Fergus walsh reports. The goal could not be more ambitious. To eradicate inherited diseases. These scientists have taken an impressive first step on a long road. Editing dna in Human Embryos. So how is it done . Inside the nucleus of each of our cells is our genome, billions of pieces of dna. It is the Instruction Manual for life. The scientists were targeting a faulty gene that causes a serious Heart Condition. They fertilised a healthy egg with sperm from a man carrying the faulty gene. They then injected the gene editing system. This scans the dna like a spell check or a sat nav. It then cuts both strands of the dna and removes the faulty gene. A healthy copy of the gene from the egg was then naturally inserted. Now here are some of the embryos from a study in the journal nature after being edited. 42 of 58 embryos were correc
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