In figuring out the family tree of phylogenetic relationships within any group of organisms, features that are constant within that group or that are inherited from its last common ancestor are of no help. The only useful evidence comprises evolutionary novelties that have appeared within the group...
In figuring out the family tree of phylogenetic relationships within any group of organisms, features that are constant within that group or that are inherited from its last common ancestor are of no help. The only useful evidence comprises evolutionary novelties that have appeared within the group...
The character × taxon matrix supplies the data for constructing aphylogenetic treeor cladogram. For example,Figure 2.6illustrates construction of the cladogram for the five species of the hypothetical genusXidfrom the character × taxon matrix atFigure 2.6A,B. First, the OTUs are grouped togethe...