26 sept. 1999 - 1996
Dolly the Sheep Cloned
Description:
Dolly the sheep was the first mammal to be cloned from adult cells. Scientists discovered how to “reprogram” a cell and injected it into a fertilized egg without a nucleus. Many have failed in attempting to do so, this discovery showed the world that cloning is a possible reality and might be able to help humans in the future.
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DNA timeline
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