Since Scottish biologist Ian Wilmut's 1997 cloning of Dolly the sheep, mice, cattle, goats, pigs, cats, mules, horses, and most recently, rats have joined the list of cloned animals, pushing the possibilities for scientific manipulation of life to new extremes. The first book to present Wilmut's own thoughts on the troubling ramifications of this technology, this new edition also contains discussions about the advantages and disadvantages of cloning, stem cell research, and a survey of religious perspectives. (Publisher)