The good and bad in germline editing

As the National Academy of Sciences wades into the debate over gene editing research, Tabitha M. Powledge writes, genetic engineering produces another outcome that could easily become even more controversial: "Researchers say they are close to giving yeast a group of genes for making morphine, codeine, and other drugs that have been derived from the opium poppy for thousands of years. Biotechnologists could produce industrial quantities of these opioids in giant vats."

May 23, 2015

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