The branches of the tree are designated: , nematodes, , Insect "old", , Insect "new", , deuterostome "old", , Deuterostome "new" (see text for details)

Abstract

<p><b>Copyright information:</b></p><p>Taken from "Homoplasy in genome-wide analysis of rare amino acid replacements: the molecular-evolutionary basis for Vavilov's law of homologous series"</p><p>http://www.biology-direct.com/content/3/1/7</p><p>Biology Direct 2008;3():7-7.</p><p>Published online 17 Mar 2008</p><p>PMCID:PMC2292158.</p><p></p