STUDYING EVOLUTION THROUGH COMPUTATIONAL PHYLOGENY
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STUDYING EVOLUTION THROUGH COMPUTATIONAL PHYLOGENY Yulia Newton University of California Santa Cruz [email protected] http://users.soe.ucsc.edu/~ynewton/
Transcript of STUDYING EVOLUTION THROUGH COMPUTATIONAL PHYLOGENY
STUDYING EVOLUTION THROUGH COMPUTATIONAL PHYLOGENY Yulia Newton University of California Santa Cruz [email protected] http://users.soe.ucsc.edu/~ynewton/
Outgroup Use (Cont’d)
Da-Fei Feng, Glen Cho, and Russell F. Doolittle. Determining divergence times with a protein clock: Update and reevaluation, PNAS, 1997.
Cladogram • Cladogram – all taxa are at the same level
• Tells us how long ago speciation for each taxa happened
http://evolution.berkeley.edu/
Phylogram • Phylogram – the length of the edge indicates how much
evolution happened since the last common ancestor • Tells us how closely two species are related