title: Totipotency and the moral status of embryos: new problems for an old argument.
authors.forename: William J
authors.initials: WJ
authors.lastname: FitzPatrick
mesh_terms: D033421:Beginning of Human Life; D019976:Cloning, Organism / Q000941:ethics; D004622:Embryo, Mammalian / Q000166:cytology; D005314:Embryonic and Fetal Development; D006801:Humans; D028681:Moral Obligations; D053652:Nuclear Transfer Techniques; D028723:Personhood; D010684:Philosophy; D039901:Totipotent Stem Cells