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J Scott Hill

Gettysburg College - EI's March 20 transgender inclusion in the military panel to be li... - 0 views

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    "EI's March 20 transgender inclusion in the military panel to be livestreamed" This is an extra credit assignment.  Attend in person or stream the event.  Write up a brief 1-2 page reflection based on your notes of the event for up to 4 points on your midterm exam.
J Scott Hill

A Family Tree in Every Gene - 0 views

  • Who speaks of "racial stocks" anymore? After all, to do so would be to speak of something that many scientists and scholars say does not exist. If modern anthropologists mention the concept of race, it is invariably only to warn against and dismiss it. Likewise many geneticists. "Race is social concept, not a scientific one," according to Dr. Craig Venter—and he should know, since he was first to sequence the human genome.
  • But now, perhaps, that is about to change
  • The dominance of the social construct theory can be traced to a 1972 article by Dr. Richard Lewontin, a Harvard geneticist, who wrote that most human genetic variation can be found within any given "race." If one looked at genes rather than faces, he claimed, the difference between an African and a European would be scarcely greater than the difference between any two Europeans.
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  • Three decades later, it seems that Dr. Lewontin's facts were correct, and have been abundantly confirmed by ever better techniques of detecting genetic variety. His reasoning, however, was wrong. His error was an elementary one, but such was the appeal of his argument that it was only a couple of years ago that a Cambridge University statistician, A. W. F. Edwards, put his finger on it.
  • Genetic variants that aren't written on our faces, but that can be detected only in the genome, show similar correlations. It is these correlations that Dr. Lewontin seems to have ignored. In essence, he looked at one gene at a time and failed to see races. But if many—a few hundred—variable genes are considered simultaneously, then it is very easy to do so. Indeed, a 2002 study by scientists at the University of Southern California and Stanford showed that if a sample of people from around the world are sorted by computer into five groups on the basis of genetic similarity, the groups that emerge are native to Europe, East Asia, Africa, America and Australasia—more or less the major races of traditional anthropology.
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    "A Family Tree in Every Gene By Armand Marie Leroi Published on: Jun 07, 2006 Armand Marie Leroi, an evolutionary developmental biologist at Imperial College in London, is the author of Mutants: On Genetic Variety and the Human Body." This Article is a fairly sensible, nuanced, defense of the race concept based on recent genetic analyses of hundreds of genetic variables at a time.   
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