Concept
Version 7
Created by Boundless
DNA Sequencing Based on Sanger Dideoxynucleotides

Chromatograph
This is an example of the output of a Sanger sequencing read using fluorescently labelled dye-terminators. The four DNA bases are represented by different colours which are interpreted by the software to give the DNA sequence above.
Source
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"Sanger sequencing read display."
http://commons.wikimedia.org/wiki/File:Sanger_sequencing_read_display.gif
Wikimedia
Public domain.