CRISPR embryonic gene editing China research

April 24, 2015 2:23 AM

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It has been just over a half-century since scientists solved the structure of DNA, and since that time, we have been fascinated by what the DNA encodes, how it is passed on from one generation to the next and what makes each of us unique. Technologies to introduce DNA changes have been used to study the function of genes and the proteins they encode, to identify genetic causes of disease and to develop better ways to treat them. Now, new research describes the editing of genes in human embryos—CRISPR-cas9—raising questions about the science, the implications and the ethics.

The research utilizes recent technologies that allow us to make precise, targeted changes to a DNA sequence. These technologies have proved remarkable in their ease-of-use and have become quickly adopted by researchers around the world to introduce or correct changes in gene sequences in a wide rang...

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