Lecture_10_13_1.Eukaryotes1

Lecture_10_13_1.Eukaryotes1 - Introduction to Eukaryotic...

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Introduction to Eukaryotic Diversity Bis 2C Lecture 10 October 13, 2008
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Outline I. More on lateral transfer II. Eukaryotes
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Outline I. More on lateral transfer
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More on lateral transfer • Vertical evolution (transmission of traits from parent to offspring) is the default • Recombination is occasional Some species do it more than others Most common WITHIN species Called lateral gene transfer when between species
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Complication 6: Selection happens for gene transfers too
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• Lateral gene transfer • Relatively rare • Significant constraints DNA from other species does not always work well Many species have defense mechanisms Some genes more than others • Selection helps overcome constraints • More frequent among members of communities • Despite rarity, multiplies over many years, it is very important
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II. Eukaryotes
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Reminder on Reading • Main reading: Chapter 27 • Other reading Chapter 4.3: Euk. cells
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This document was uploaded on 03/07/2010.

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Lecture_10_13_1.Eukaryotes1 - Introduction to Eukaryotic...

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