lecture 14 handout - BioG1780 Evolution and Biodiversity...

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BioG1780 Fall 2010 Evolution and Biodiversity Today’s lecturer: Warren Allmon Lectures 14: Sept 27, 2010 1 Origin of Novelty: Evolution and Development This lecture follows upon our discussion of the fossil record and what that record tells us about the history of life on earth. The fossil record reveals many examples of the origin of novel forms, and here we consider how (at the levels of organismic development, genes and gene expression) such novel forms might arise. Readings for this lecture: Ch. 19, pp. 725-735. Note that Chapter 19 provides three detailed examples of "evo-devo" research, only one of which will be discussed in lecture. If you are interested in this fascinating subject, you are encouraged to read the rest of Ch. 19, which presents two other examples: the origin of tetrapod limbs and angiosperm flowers. Also note that in lecture we will provide context to thinking about evo-devo that is not covered at all in your text.
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lecture 14 handout - BioG1780 Evolution and Biodiversity...

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