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SENCA representation. Here is an example of construction of some—not all—instantaneous substitutions from sense codon GCG, that codes for Alanine, to other codons, for example, coding for Alanine, Valine, or Proline. In blue is the nucleotide (N) layer, in red the codon (C) layer, and in yellow the amino acids (A) layer. Arrows indicate which layer affects each substitution.
