Week 12 BIOLOGY 1114 - 0010
Popular in Biological Sciences: Form, Function, Diversity, and Ecology
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This 0 page Class Notes was uploaded by Sean Bhatnagar on Monday November 16, 2015. The Class Notes belongs to BIOLOGY 1114 - 0010 at Ohio State University taught by Staff in Fall 2015. Since its upload, it has received 13 views. For similar materials see Biological Sciences: Form, Function, Diversity, and Ecology in Biology at Ohio State University.
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Date Created: 11/16/15
Biology Notes Week 12 Mechanisms that generate complex characteristics Development and homology Similarity between embryos and similarity in development is critical to create homology Ontogeny recapitulates phylogeny Master Genes Genes that control where when and how other genes are expressed Make proteins that signal activate mark or otherwise communicate with other genes and their products Set expressed in patter Homeotic genes Remember that variants in the regulatory genes still arise form random mutation Seection still acts to shape the effects of the mutation in terms of tness and frequency within the population Gene duplication most important source of new genes Poypoidy more copies of all genes Misaignemnt in meiosis cause unequal crossing over and ends up with one extra retard Genes families Clusters of genes similar in structure and sequence Globin genes Complex change may have an extremely simple basis Started History of Life