Lecture Notes - Genetic evidence

Lecture Notes - Genetic evidence - Making of the Modern...

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Making of the Modern World 1: Prehistory and the Birth of Civilization Professor Scott L. Vandehey Fall 2008, Track D “Genetic Evidence” Oct. 6 th , 2008 Questions of the day: 0. What makes us different than our genetic ancestors? 1. How and when did early humans evolve? 2. How can DNA help answer questions regarding human origins? Genus Homo 0. 2-3 million years ago 1. Northeast Africa 2. Possibly from A. afarensis 3. Possibly from A. africanus Homo vs. Australopithecus 0. In this corner, representing all of humanity… 1. Exhibiting larger brains 2. The powerful kick of longer legs 3. With power-packed shorter arms 4. A smaller jaw clinched tight in determination… 5. And the amazing ability to fashion and use a surprising array of tools 6. HUMANS!!! Homo habilis 4. 2.3 – 1.6 mya 5. Longer legs than Australopithecus 6. Shorter arms than Australopithecus 7. Approx. 3.5 feet tall 8. Smaller jaw / teeth than Australopithecus 9. Larger brain (twice the size of Lucy’s) 10. Significant use of stone tools
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This note was uploaded on 11/26/2008 for the course MMW 1 taught by Professor Jordan during the Fall '06 term at UCSD.

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Lecture Notes - Genetic evidence - Making of the Modern...

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