We put forward a novel 2-D graphical representation of DNA or RNA sequences based on a four-color map. The novel representation is rather compact and it not only enables one to carry out a visual inspection of similarity/ dissimilarity between DNA sequences, but also leads to their numerical characterization. The approach is illustrated with the coding sequence of the exon 1 of the human β-globin gene.
Bibliographical noteFunding Information:
This work was supported in part by the Ministry of Science, Education and Sports of the Republic of Croatia and Croatian–Slovenian project ‘Application of Discrete Mathematics in Chemistry and Biology’.
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