Fig. 3From: Evidence for the role of transposons in the recruitment of cis-regulatory motifs during the evolution of C4 photosynthesisProportion of donors that were proximal to the acceptor where experimentally validated cis-regulatory element (motif) resides. For each acceptor (X axis) and each potentially recruited motif (colored block), the proportion of donors (colored segments along Y axis) that were near to acceptor where the acceptor gene resides is indicatedBack to article page