title: Splice of life.
mesh_terms: D033041:Embryo Research / Q000941:ethics*; D004622:Embryo, Mammalian / Q000378:metabolism*; D005053:Eugenics; D005818:Genetic Engineering / Q000941:ethics* / Q000639:trends; D018095:Germ-Line Mutation / Q000235:genetics*; D006801:Humans