'''DNA replication''' is the process by which the [[DNA]] double helix unwinds and makes an exact copy of itself.
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'''DNA replication''' is the process by which the [[DNA]] double helix unwinds and makes an exact copy of itself. The [[Meselson–Stahl experiment]] suggested that DNA replicates semiconservatively. In the semiconservative mode of replication the original DNA molecules separate into two template strands.<ref>https://www.britannica.com/science/heredity-genetics/Structure-and-composition-of-DNA#ref944097</ref>