sentences:  The priming event on the lagging strand establishes a replication fork.Priming of the DNA helix consists of synthesis of an RNA primer to allow DNA synthesis by DNA polymerase α. Priming occurs once at the origin on the leading strand and at the start of each Okazaki fragment on the lagging strand.DNA replication is initiated from specific sequences called origins of replication, and eukaryotic cells have multiple replication origins.