Dolly the sheep may have been the world's most famous clone, but she was not the first. Cloning creates a genetically identical copy of an animal or plant. Other animals had been cloned before Dolly, but she was the first mammal to be cloned from an adult cell. Since Dolly was born, other sheep have been cloned from adult cells, as have mice, rabbits, horses and donkeys, pigs, goats and cattle. How is cloning achieved? What are the ethical concerns and regulation? Why are scientists interested in cloning? What are the medical and commercial implications? We will read recent newspaper articles and discuss these issues.
