title: Introns and the origin of protein-coding genes.
authors.forename: P
authors.initials: P
authors.lastname: Senapathy
mesh_terms: D005075:Biological Evolution; D003062:Codon; D005091:Exons; D005796:Genes; D007438:Introns; D011506:Proteins / Q000235:genetics*; D012326:RNA Splicing
chemical_list: D003062:Codon; D011506:Proteins