The origin of genetic information.
D000818:Animals; D005075:Biological Evolution; D002451:Cell Compartmentation; D005796:Genes; D005815:Genetic Code; D000069497:Origin of Life; D011506:Proteins / Q000235:genetics; D012313:RNA / Q000235:genetics*; D012367:RNA, Viral / Q000235:genetics; D013698:Templates, Genetic; D014779:Virus Replication
D011506:Proteins; D012367:RNA, Viral; D012313:RNA