title: A response to "Crossing species boundaries" by Jason Scott Robert and Francoise Baylis.
authors.forename: John A
authors.initials: JA
authors.lastname: Robertson
mesh_terms: D000818:Animals; D002678:Chimera; D019976:Cloning, Organism / Q000941:ethics; D033041:Embryo Research; D026689:Ethical Analysis; D005818:Genetic Engineering / Q000941:ethics*; D006801:Humans; D013045:Species Specificity; D033581:Stem Cell Transplantation / Q000941:ethics