title: [The invariance of the genetic code and its possible evolutionary path].
mesh_terms: D000818:Animals; D001482:Base Composition; D001483:Base Sequence; D005075:Biological Evolution; D005091:Exons; D005796:Genes; D005815:Genetic Code; D014644:Genetic Variation; D007438:Introns; D008928:Mitochondria / Q000648:ultrastructure; D014176:Protein Biosynthesis
vernacular_title: Invariantnost' geneticheskogo koda i vozmozhnyĭ put' ego évoliutsii.