kromosoomi või DNA-molekuli sait e nukleotiidijärjestus, millelt alustatakse DNA replikatsiooni, The origin of replication (also called the replication origin) is a particular sequence in a genome at which replication is initiated. This can either involve the replication of DNA in living organisms such as prokaryotes and eukaryotes, or that of DNA or RNA in viruses, such as double-stranded RNA viruses.