Editing Embryo DNA Yields Clues About Early Human Development

September 22, 2017

(NPR) – For the first time, scientists have edited the DNA in human embryos to make a fundamental discovery about the earliest days of human development. By modifying a key gene in very early-stage embryos, the researchers demonstrated that a gene plays a crucial role in making sure embryos develop normally, the scientists say. The finding might someday lead to new ways for doctors to help infertile couples have children, and could aid future efforts to use embryonic stem cells to treat incurable diseases, the researchers say.

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