Figure 1.

A Venn diagram of the distribution in the three kingdoms of life, of the three globin lineages: 3/3 FHbs/SDgbs, 3/3 GCSs/Pgbs and 2/2 Hbs. The number of genomes that have globins is shown as a fraction of the total number of genomes.

Vinogradov et al. BMC Evolutionary Biology 2006 6:31   doi:10.1186/1471-2148-6-31
Download authors' original image