In 1996 scientists in Scotland cloned a sheep, which they named Dolly. They did this by taking a body cell from an adult sheep and using its DNA to make an exact copy f that sheep. In the future cloning could allow scientists to produce tailor-made body organs for transplant patients, or create whole herds of cows or sheep that produce useful drugs in their milk. The technique could also be used to enable infertile couples to have a child who would be a clone of one of them.
1953 – Francis Crick and James Watson discover the structure of DNA
1973 – Stanley Cohen and Herbert Boyer carry out first Genetic Engineering with bacteria
1986 – Human Genome project set up to list sequence of entire human genome
1990 – First trials for ‘Gene Therapy’
1996 – Dolly, a cloned sheep, created by Roslin Institute Scotland
2000 – First draft of human genome published.
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