Building the Phylogenetic Tree
Building the Phylogenetic Tree To do this lab, you may either: 1)Print the lab report and write your answers on the page. Then take a photo of your completed lab report to upload and submit to your instructor. 2) Use the “draw” feature in Microsoft Word to label the diagrams, circle the indicated parts of the diagram, and draw diagrams as instructed. Save the completed file to upload and submit to your instructor. Exercise 1. Reconstructing primate evolution Hypothesis: All primates share common ancestry The phylogeny of living primate species most closely related to us looks like this: Figure 8. Phylogeny of living Primates. Prepared by D. Brogun, based on the Sarich & Wilson 1967. Identify and label all parts of the phylogenetic tree depicted in the figure 8 above (hint: check the definitions table in the introduction of the lab if you need help). 1. Root 2. Internal and External nodes 3. OTUs 4. Redraw the tree to show the unique phylogeny of the Gorilla lineage with a dotted line. In other words, use a dotted line (or a different color, whatever you like) to indicate the shared lineage of the gorillas and the unique lineage of the gorillas (see Figure 4 in the3 lab instructions for an example). 5. Do the Bonobos, Chimpanzees and Human form a clade? Is it monophyletic? Explain how you know.


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