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  • Created by: Rachel
  • Created on: 21-03-13 10:41

The chromosomes in the nuclei of your cells contain your genetic information. They are made of a chemical called DNA.

Sections of the DNA molecule called genes contain instructions for specific proteins that are used in your body.

One gene contains the instructions for one protein. Often several genes work together to produce what is needed for a single feature. Some genes also carry the instructions for the proteins that control the chemical processes in your body. 

The structure of


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