
A Part of the DNA double helix -a Tribute to Francis Crick, Rosalind Franklin and James Watson- [Un morceau de la double hélice d'ADN -un hommage à Francis Crick, Rosalind Franklin et James Watson-].
                    C-G
                    A-T
with:
                    A = Adenine  (orange)
                    C = Cytosine (yellow)
                    G = Guanine  (green)
                    T = Thymine  (magenta)