Dolly the Sheep Born: First Mammal Cloned from Adult
Scientists at Scotland's Roslin Institute produced Dolly, the first mammal cloned from an adult somatic cell, proving that mature DNA could be reprogrammed to create a complete organism. The breakthrough demolished the prevailing belief that cell specialization was irreversible and opened the door to stem cell research, regenerative medicine, and fierce ethical debate over reproductive cloning.
July 5, 1996
30 years ago
Key Figures & Places
What Else Happened on July 5
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