The idea of bringing extinct animals back to life continues to reside in the realm of science fiction. But scientists have taken a small step closer to that goal, by inserting the DNA of a woolly mammoth into lab-grown elephant cells.
Harvard geneticist George Church and his colleagues used a gene-editing technique known as CRISPR to insert mammoth genes for small ears, subcutaneous fat, and hair length and color into the DNA of elephant skin cells. The work has not yet been published in a scientific journal, and has yet to be re...
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