This is a summary based on a aspect of DNA. The information gathered was taken from the article called "DNA Replication located at http://www.eurekascience.com/ICanDoThat/dna_rep.htm written by the Eureka Science Organization.
The article describes DNA replication by comparing it to a zipper. It says that "making a new chromosome is like making a new zipper by using the old zipper as a model." However, a zipper has only one kind of tooth, as stated in the article, but a chromosome has four, A, T, C, and, G. The article explains the unwinding process of the chromosomes by comparing it to the unwinding of the zipper. "The