In this section:
In the cell, the expression of the genetic information is a very complex process involving hundreds of molecules. For our purposes, though, it is enough to know the basics about the structure and function of the main players: DNA, RNA, and proteins.
DNA is the carrier of the genetic information and the proteins read and express that information. RNA is a working copy of DNA and, although its existence makes sense in the environment of the cell, its equivalent is of little use in a computer system like GEP. Nonetheless, it is important to know the structure and properties of this molecule in order to understand the fundamental difference between GEP and the other genetic algorithms.
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