Polytomy

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Polytomy
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Is there such a thing as a prokaryote, dicot,
fish?
Monophyletic and Paraphyletic groups
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Example of a phylogeny 10,000 bp sequence in a
globin pseudogene
Based on evolutionary relationships
14 synapomorphies unite humans and chimpanzees
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franciscensis
carmenensis
hyperythra
danheimae
picta
espiritensis
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H
C
P
D
H
E
F
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Grismer, L. Lee. 1999. Phylogeny, taxonomy, and
biogeography of Cnemidophorus hyperythrus and C.
ceralbensis (Squamata Teiidae) In Baja
California, Mexico. Herpetologica 5528-42.
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Alternative method genetic distances