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    Once Again The So-Called Extremists Were Right
    General; Posted on: 2009-10-27 18:42:16 [ Printer friendly / Instant flyer ]
    Exploring genetic differences in the new DNA age

    When scientists first decoded the human genome in 2000, they were quick to portray it as proof of humankind's remarkable similarity. The DNA of any two people, they emphasized, is at least 99 percent identical.

    But new research is increasingly exploring the remaining fraction to explain differences between people of different continental origins.

    Scientists, for instance, have recently identified the small changes in DNA that account for the pale skin of Europeans, the tendency of Asians to sweat less and West Africans' resistance to certain diseases.

    At the same time, genetic information is slipping out of the laboratory and into everyday life, carrying with it the inescapable message that people of different races have different DNA. Ancestry tests tell customers what percent of their genes are from Asia, Europe, Africa and the Americas. The heart-disease drug BiDil is marketed exclusively to African Americans, who seem genetically predisposed to respond to it. Jews are offered prenatal tests for genetic disorders rarely found in other ethnic groups.



    Cowardice abounds however. Ed.

    Such developments are providing some of the first tangible benefits of the genetic revolution. Yet some social critics fear they may also be giving long-discredited racial prejudices a new potency. The notion that race is more than skin-deep, they fear, could undermine principles of equal treatment and opportunity that have relied on the presumption that we are all created equal.


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    News Source: nyt

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