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Chapter26 Phylogeny - In SI you will learn about a...

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BIOL 2108 Biological Principles II – Fall 2009 Campbell & Reece Chapter 26: Phylogeny & The Tree of Life Study Tools: Tree Thinking, Chapter 4 in Biological Inquiry 2 nd Edition, A Workbook of Investigative Cases for Campbell & Reese 8 th Edition Be sure to bring your Biological Inquiry Workbook, your textbook, and a printout of these instructions to your SI Section! Part I Case Analysis Tree Thinking: Pages 44-45 in Biological Inquiry. Individually read the conversation between Teruko and Sean on page 44 and complete the questions on page 45 (5-10 minutes). Share you answers with entire SI Section (5-10 minutes, depending on size of your SI Section). Part II Section III Which Mammals are Most Related Most Closely to Whales: Pages 54-57 in Biological Inquiry (30 minutes). This critical thinking exercise follows up on the DNA sequencing of Beta-Casein (a milk protein) you did in your lab section. In lab we looked at only one gene (with only 60 base pairs) to determine the closest living relatives to the Order Cetacea.
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Unformatted text preview: In SI, you will learn about: a. Phylogeny and DNA sequencing to investigate and enforce laws related to conservation of biodiversity b. The proposal for Order Cetartiodactyla, i.e., the proposal that Cetacea and Artiodactyla should be combined into one Order c. Comparison of phylogenetic trees created from different hypotheses regarding the relatedness of cetaceans and artiodactyls d. Understanding the need to look at more than one gene sequence to determine relatedness among living organisms Additional Resources: Bedrock Whippo Problem Space: http://www.bioquest.org/bedrock/problem_spaces/whippo/ Wikipedia Site on Cetartidactyla: http://en.wikipedia.org/wiki/Cetartiodactyla Part III Build a Concept Map for the often confusing keywords: Phenetics, Phylogenetics, Cladistics, Taxonomy, Systematics. Are there other words that are confusing related to Phylogeny?...
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