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. 2012 Jul 13;7(7):e40649. doi: 10.1371/journal.pone.0040649

Figure 1. Two round expansions and a fish specific duplication of HES/HEY in all the species.

Figure 1

The phylogenetic relationship of all the species investigated is in the left. The number of HES/HEY genes is in the right. Two round expansions and a fish specific duplication of HES/HEY are represented by arrows and bars.