"The Roslin Institute and PPL Therapeutics have made it clear that they regard the idea [of human reproductive cloning] as ethically unacceptable." Ian Wilmut and Donald Bruce, "Dolly Mixture," in Engineering Genesis: The Ethics of Genetic Engineering , edited by Donald Bruce and Ann Bruce (London: Earthscan Publications, 1998) 75. See also: Ian Wilmut, "Cloning for Medicine," Scientific American, 279:6 (December 1998) 58-63. For a theological discussion see: Human Cloning: Religious Responses, edited by Ronald Cole-Turner (Louisville: Westminster/John Knox Press, 1997)