CYCLE 10.docx - CYCLE 10 Lecture 19 \u201cPHYLOGENY\u201d Outcomes On multiple choice exams you should be able to identify 1 relatively close and relatively

CYCLE 10.docx - CYCLE 10 Lecture 19 “PHYLOGENY”...

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CYCLE 10Lecture 19“PHYLOGENY”Outcomes On multiple choice exams, you should be able to identify . . . 1.relatively close and relatively distant relatives, given a phylogenetic tree Taxa's are at the tip of the phylogeny Nodes (can pivot around but the information won't change) of the branch represent last shared common ancestry 2.whether or not two phylogenetic trees convey the same information Both polygeny can identify same things but can spin around the internal node BUT DO Understand the vertical drop distance between nodes to find common ancestors 3.monophyletic and non-monophyletic groupings, given a phylogenetic tree Using phylogenies in classification: • Group names should reflect evolutionary relationships (all members of a named group need to be closer related to other group members than to anything outside the group) • Cladistic method of classification: only monophyletic groups (clades) get names Monophyletic groups how to recognize: all of its descendants are included in the group a.k.a
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  • Spring '11
  • Haffie,MacDougall-Shackleton

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