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Decoding Humanity
  From DNA to a human
  The race for the human genome
  How scientists decode DNA
 FROM DNA TO A HUMAN
From DNA to human
  Back to Intro  
2. DNA double helix

The base pairs form the rungs of the ladder-like DNA double helix. Running up and down the ladder are the long sequences of bases which are the code for life. Each cell in the human body contains two metres (six feet) of DNA.

Click on the stages to learn how DNA makes a human
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