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View Full Version : Gene discovered that allows androstenone to be smelled



Mtnjim
02-11-2008, 01:07 PM
They found that people with a functional copy of the gene, called OR7D4, made properly shaped

receptors that accepted androstenone. But thirty percent of people had a variation of the gene (OR7D4 WM) that made

a receptor into which the androstenone could not fit. The difference in the receptor was very small Gene l —

just two amino acids differed — but the effects were pronounced. Those with the functional copy were eleven

times more sensitive to androstenone than their counterparts. And that marked the first proof that a particular gene

was responsible for a person's ability to smell a certain odor.

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