title: Genetic code origins.
authors: M
authors: M
authors: Yarus
authors: E L
authors: EL
authors: Christian
mesh_terms: D000818:Animals; D003062:Codon / Q000235:genetics*; D005815:Genetic Code; D007438:Introns; D012313:RNA / Q000235:genetics*; D012333:RNA, Messenger / Q000235:genetics*; D013768:Tetrahymena / Q000235:genetics*
chemical_list: D003062:Codon; D012333:RNA, Messenger; D012313:RNA