In July 2016, four identical clones of Dolly (Daisy, Debbie, Dianna, and Denise) were alive and healthy at nine years old.
Scientific American concluded in 2016 that the main legacy of Dolly the sheep has not been cloning of animals but in advances into stem cell research.
When was the first human cloned?
The first hybrid human clone was created in November 1998, by Advanced Cell Technology.
What has been cloned since Dolly?
Possibly the first cloned mammal was a sheep by Steen Willadsen in 1984. However, the cloning was done from early embryonic cells, while the sheep Dolly in 1996 was cloned from an adult cell. Dolly (1996–2003), first cloned mammal from adult somatic cells. She had six lambs.
What is nuclear transfer cloning?
Nuclear transfer is a form of cloning. The steps involve removing the DNA from an oocyte (unfertilised egg), and injecting the nucleus which contains the DNA to be cloned. In rare instances, the newly constructed cell will divide normally, replicating the new DNA while remaining in a pluripotent state.