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The three types of DNA replication are:

  1. Semi-conservative replication: In this type, out of the two strands of newly synthesized DNA, one is new and the other is retained or conserved from the original(parent) molecule.
  2. Conservative replication: In this type, both strands of parent double helix would be conserved and the new DNA molecule would consist of two newly synthesized strands.
  3. Dispersive Replication: This type involves fragmentation of the parent double helix, and intermixing of pieces of the parent strand with newly synthesized pieces, thereby forming two new double helices.
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