A clone is meant to be a genetically identical copy, but an extraordinary 20-year study has shown that this isn’t, in fact, the case. It reveals that clones have lots of extra mutations and, if you ...
After 20 years, 58 generations and more than 30,000 cloning attempts, a team of researchers has hit the limit on the number of times a single mouse can be serially re-cloned. How Dolly the sheep’s ...
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