November 10, 2014 Scientists in England are ready to do something that's never been done before — combine the DNA of two women and one man to create embryos that don't carry hereditary mitochondrial disorders.
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This micrograph shows a single mitochondrion (yellow), one of many little energy factories inside a cell.
Keith R. Porter/Science Source
October 9, 2013 The treatment would allow doctors to replace the genetic glitches in one human egg with healthy DNA from a donor egg. Ethicists are concerned because any changes to eggs or sperm could be passed on for generations to come.
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