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Evolutionary forces work rapidly—even in recent timesProviding the strongest evidence yet that human beings are still evolving, researchers have detected 700 regions of the human genome where genes appear to have been reshaped by natural selection, a principal force of evolution, in the past 5000 to 15,000 years. The genes include some responsible for the senses of taste and smell, digestion, bone structure, skin colour and brain function. Under natural selection, beneficial genes become more common in a population as their owners have more progeny. Three populations were studied: Africans, East Asians and Europeans. In each, a mostly different set of genes had been favoured by natural selection. The study may help anthropologists explain the variety of distinctive appearances, even though people’s genes are on the whole very similar, said Spencer Wells, the director of the genographic project of the National Geographic Society. The finding adds substantially to the evidence that human evolution did not halt in the distant past, as is assumed by many social scientists. “There is ample evidence that selection has been a major driving point in our evolution during the last 10,000 years, and there is no reason to suppose that it has stopped,” said Jonathan Pritchard, a population geneticist at the University of Chicago, who headed the study. He and his colleagues, Benjamin Voight, Sridhar Kudaravalli and Xiaoquan Wen, reported their findings in yesterday’s PLoS-Biology, a journal published by the Public Library of Science. Dr Pritchard estimates that the average era at which the selected genes started to become more common is 10,800 years ago in the African population and 6600 years ago in the Asian and European populations. The researchers’ data is based on DNA changes in three populations gathered by the HapMap project, a venture that built on the decoding of the human genome in 2003. Posted by jonjayray on Tuesday, March 7, 2006 at 11:35 PM in Genetics & Human Bio-Diversity Comments:2
Posted by Svyatoslav Igorevich on March 08, 2006, 04:13 PM | #
Am I reading into this too much or was that a not-so-subtle jab to the ribs of social science? 3
Posted by John S Bolton on March 09, 2006, 05:51 AM | # Hopefully JD will learn to respect his betters before he swerves off into the pole. 4
Posted by Julia Rodriquez on May 30, 2007, 03:41 AM | # Is it my imagination or is a scientist supposed to provide impartial evidence of a subjects/subjects for the general public’s eduaction Instead, I clicked on to this ‘scientific’ article to find something worse than racist white men with a strong, and increasingly useless sense of self worth. I found (some) intelligent educated people who instead of conducting a forum were venting their racist hate. India has had an enourmously tough time in the past, first trying to get rid of imperialistic Britain and their harsh rule, then rebuilding themselves after their rifts with their former brother, Pakistan. Perhaps as scientists you should READ about this before you profess an opinion. Next time you pose this article under the guise of ‘science’ I suggest you go rub your two IQ points together and see if you can start to invent the fire because you’ve got a lot of catching up to do before you reach the standards of India. I am an Australian married to a spanish man with an adopted Indian daughter and son. All I can say is that I am VERY glad I am so far from Europe and their internationally infamous race-hate issues. Perhaps you should take a leaf out of America’s book and at least try and help these people integrate and feel safe. Perhaps then they would not segregate and this article would not have been published to such a harsh reaction. I feel very sorry for you all because you are going to be left behind in the coming years following India and China’s lead You are going to have to get used to seeing Indian women because they’ll be all over your movie and TV screens. All of you, grow up! 5
Posted by JR on May 30, 2007, 04:07 AM | # Sorry, the last comment was for another article. Yours is great. And very interesting 6
Posted by Guessedworker on May 30, 2007, 04:47 AM | # Julia: imperialistic Britain and their harsh rule The Raj lasted a very, very long time and was not maintained through “harshness” but by the cooption of the ruling elite. In many places you would never have known the British were there at all. There were huge benefits to India, not least in the bequeathing of the world’s largest democracy. To be convinced of such a tawdry “oppression trope” is to demonstrate not only remarkably ignorance but a mechanistic capacity to soak up up leftist propaganda. I am sorry that you did not see fit in your own life to preserve your own people. I am sorry, too, that you think their preservation is “racist”, and again commend you to free yourself from Marxist propaganda. I suggest you study the long-term demographic of Europe and America and ask yourself whether it is “moral” to die. Next entry: The REAL reason for “race replacement” Previous entry: Samidioting |
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Posted by jack daniels on March 08, 2006, 12:39 AM | #
Shut up token nigger.