title: DNA sequence changes and speciation.
mesh_terms: D000818:Animals; D001483:Base Sequence; D004247:DNA / Q000235:genetics*; D005796:Genes; D005815:Genetic Code; D012333:RNA, Messenger / Q000235:genetics; D012091:Repetitive Sequences, Nucleic Acid; D013045:Species Specificity; D014158:Transcription, Genetic
chemical_list: D012333:RNA, Messenger; D004247:DNA