DNA Replication Timeline By daniyla Nov 30, 2018 Step 1 Unzips the two strands of DNA Nov 30, 2018 Step 2 makes primer to guide DNA polymerase Nov 30, 2018 Step 3 Replicates DNA molecules to build a new strand of DNA Nov 30, 2018 Ligase glues or binds the 2 DNA strands