Dolly Dyson Johny Sins Portable Page

| Aspect | Details | |--------|---------| | | A mammary gland cell from a six‑year‑old Finn Dorset ewe. | | Method | Somatic Cell Nuclear Transfer (SCNT): the nucleus from the donor cell was inserted into an enucleated egg cell, then stimulated to develop. | | Birth | 5 July 1996, at the Roslin Institute. | | Lifespan | Lived 6.5 years (average for the breed) before being euthanized due to a progressive lung disease. | | Legacy | Sparked debate on cloning ethics, spurred advances in stem‑cell research, and led to the cloning of other animals (cattle, goats, etc.). |

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Dolly was the first mammal cloned from an adult somatic cell, announced in 1996 by scientists at the Roslin Institute in Scotland. dolly dyson johny sins