Figure 2

Maximum-likelihood phylogeny of the 69-taxon HNF-1α data set. This data set was composed of up to 768 bp. Among the ingroup, 72 characters were parsimony-informative. Estimated ML model parameters conform to the GTR+G model of sequence evolution. -ln L = 2533.85397, rate matrix: A-C = 0.70584, A-G = 2.497433, A-T = 0.273807, C-G = 0.59001, C-T = 2.972687, G-T = 1. Base frequencies: A = 0.28, C = 0.23, G = 0.22, and T = 0.27, and γ-shape parameter = 0.670155. Thick branches indicate nodes with ≥ .95 BPP and ML and MP bootstrap values ≥ 70.