FIGURE 4. Evolution, development and systems biology.
From the following article:
Evolution of anatomy and gene control
Georgy Koentges
Nature 451, 658-663(7 February 2008)
doi:10.1038/451658a

These map the changes in information flow through biological systems across scales of organization. Phylogenetically conserved regulatory regions are used to map pertinent embryonic lineages. Expression profiling of those lineages allows the investigation and inference of the regulatory networks underlying their behaviour.
