On 𝗝𝘂𝗹𝘆 𝟱, 𝟭𝟵𝟵𝟲, Dolly the sheep, the first mammal to have been successfully cloned from an adult cell is born at the Roslin Institute in Scotland. She was created using the technique of somatic cell nuclear transfer, where the cell nucleus from an adult cell is transferred into an unfertilized oocyte (developing egg cell) that has had its cell nucleus removed.
The cells had been taken from the udder of a six-year-old ewe and cultured in a lab using microscopic needles, in a method first used in human fertility treatments in the 1970s.
𝘚𝘰𝘶𝘳𝘤𝘦: 𝘸𝘸𝘸.𝘥𝘰𝘭𝘭𝘺.𝘳𝘰𝘴𝘭𝘪𝘯.𝘦𝘥.𝘢𝘤.𝘶𝘬/𝘧𝘢𝘤𝘵𝘴/𝘵𝘩𝘦-𝘭𝘪𝘧𝘦-𝘰𝘧-𝘥𝘰𝘭𝘭𝘺/