1996: Dolly the Sheep
On
July 5, 1996, a Finnish Dorset lamb codenamed 6LL3 was born in Scotland. The
newborn—"Dolly the Sheep”—was the first mammal to be successfully cloned
via "somatic cell nuclear transfer.” The lab kept the lamb a secret for
seven months until the paper was published on Feb. 22, 1997. In this photo by
Jeff J. Mitchell, assistant curator of biomedicine Sophie Goggins views Dolly
at a 20th birthday celebration.
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