The birth of the first child with DNA from three different people has taken place in the UK. MDT, for it was through this method that this could happen, is a procedure carried out before in vitro fertilization. It allows the creation of an embryo with genetic material from three different people: the mother, the father and the mitochondrial donor.
MDT involves transferring healthy mitochondrial DNA from a donor cell to an egg cell or embryo of a woman with damaged mitochondria. With this procedure, most of the key genetic information comes from the father and mother, and only a small percentage of the donor's mitochondrial DNA is present. This prevents the development of...
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