To Clone or Not to Clone

Some 60 years ago amphibians were used to produce clones, but the embryos died at tadpole stage. During the last six decades, the cloning of a mammal was only possible in the imagination of the scientific community. (Cloning Timeline)

Hello Dolly! Out of the blue, Ian Wilmut, a researcher from the Roslin Institute in Scotland, announced that his team had successfully cloned a lamb from an adult cell. The next day, the Pope denounced the discovery as a "lack of respect for life". The scientific community hailed the discovery as a break through for mankind.