资讯

This diagram is an example of a simple phylogenetic tree. In most cases, researchers draw phylogenetic trees in such a way as to record only those events that are relevant to a set of living taxa.
Consider the great ape example I worked through with an Excel spreadsheet (link above). These are Jukes-Cantor distances based on number of mtDNA sequence differences. [See Glossary and pp. 91-93 of ...
Brown said the key to understanding the genomic evidence came from Oaks, who started looking at gecko groups with a new approach to conceiving phylogenetic trees. Instead of one species branching ...