Cloning - Overview Author:Jeanne Duprau Cloning, common in the plant world, was dramatically demonstrated in mammals for the first time with the cloning of Dolly the sheep. This new technology offers promising breakthroughs in medicine and agriculture, but it also raises complex ethical questions. — Flowers, farms and forests -- — Cloning in agriculture -- — Cloning in medicine -- — Cloni... more »ng endangered species --