- Refresh you knowledge of Baysian approaches to phylogenetic inference.

Read the following sections in the Wikipedia entry http://en.wikipedia.org/wiki/Bayesian_inference_in_phylogeny: Intro, Bayesian Inference of Phylogeny, Background and Bases, Pitfalls and controversies, MRBAYES software for Bayesian Inference of Phylogeny

- read the Wikipedia entries on PSSMs, HMMER, , and at least skim through the entry for hidden Markov models

Slides for Today (mostly a continuation from class 21)