Thursday, March 17, 2005

Genetic Differences Determine Taste Perception

By Daniel DeNoon
WebMD Medical News

Scientists looked at a specific taste receptor for a bitter substance known as PTC. Small changes in the genes made big differences in the receptor's ability to recognize the bitter chemical. This helps explain why some people can't taste PTC at all while others find it terribly bitter - and still others find it bitter in varying degrees.
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