Scientists Find Gene That Makes People Brown or White
ABCNews.com
by Amanda Onion
Dec. 14, 2005 — In a discovery that begins to shed light on what makes one person brown and another white, scientists have identified a gene that appears to be a key player in human pigmentation.
People share 99.9 percent of the same genes, yet pinpointing the very minor genetic variations that cause skin-color differences long has been a mystery to scientists. This discovery, published in the journal Science, marks a significant step toward understanding what's behind the panoply of human skin tones.
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