In 1997, Scottish scientists announced the first successful cloning of an adult animal - Dolly the Sheep. But her birth was mired in controversy.
- Dolly the sheep was the world's first clone.
- dolly was produced from fusion cell cloning and only born after many attempts.
- Dolly died at an early age - the same as the sheep she was cloned from had been
- She paved the way for treatments for haemophilia and cystic fibrosis.
For many years, scientists tried to crack the mystery of artificial cloning: the ability to produce an exact genetic copy of an adult animal.
But many of the first cloned animals were born with harrowing birth defects, or died at a very young age.
Then, in 1997, scientists at the Roslin ...
Please log in to view and download the complete transcript.