Unrooted phylogenetic tree of human and mouse proteases. Proteases are distributed in five catalytic classes and 63 different families. The code number for each protease family is indicated in the ...

(A) The unrooted three-domain tree derived by phylogenetic analysis of 16S rRNA and other information-processing genes. (B) The rooted three-domain tree. (C) The network of life. A: archaea ...

These are Jukes-Cantor distances based on number of mtDNA sequence differences. [See Glossary and pp. 91-93 of Hall, B.G. 2001. Phylogenetic Trees Made Easy. Sinauer, for more on evolutionary models ...