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Differences in the ability of humans to taste the sulfur-containing compound phenylthiocarbamide were first reported in the 1930s. PTC tasters find even low concentrations of the compound extremely bitter, while nontasters report little or no taste to the same concentration of PTC. The ability to taste PTC is inherited...
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www.whozoo.org/mac/Music/taster.htm
www.whozoo.org/mac/Music/taster.htm
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"So it seems that PTC tasters are less likely to smoke." ; The researchers recently published their findings in the American Journal of Human Genetics. Typically, over hundreds of thousands years, genetic drift takes place, a process in which gene frequencies and genetic traits change randomly within a population.
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www.medicalnewstoday.com/articles/10009.php
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About 75 percent of people worldwide can taste PTC, while the remaining quarter can't. PTC tasters are less likely to smoke cigarettes than non-tasters, but they're also less likely to eat cruciferous vegetables, such as broccoli, that are important sources of nutrition, Wooding said.
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www.sciencedaily.com/releases/2006/04/060412225817.htm
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The incidence of taste blindness to PTC/PROP varies around the world, from 3% in western Africa to >40% in India. ... It has been noted that incidence of thyroid-deficiency disease is relatively rare among PTC tasters.
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www.gnxp.com/MT2/archives/002295.html
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Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics, Volume 99, Issue 6, Pages 711-715, June 2005, Authors:Ju-Hee Hong; ...
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www.journals.elsevierhealth.com/periodicals/ymoe/articl...
www.journals.elsevierhealth.com/periodicals/ymoe/article/PIIS1079210404005426/abstract
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It is hypothesized that two groups of PTC non-tasters exist. One group has a specific deficit involving PTC and related compounds. ...
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linkinghub.elsevier.com/retrieve/pii/0031938485903439
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The percentage of PTC tasters with no smoking parents was 22.2 percentage points greater than the percentage of PTC tasters with one parent who smoked. It was 18.3% greater than those who had two parents who smoked.
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oas.uco.edu/04/paper/Kwheat.htm
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PTC TASTER ... Hattiesburg High School ... AETelegenetics Data 1996: Indes Finger, PTC Tasters, and Colorblindness...
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www.accessexcellence.org/LC/OP/TG/1996c.html
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Title the graph PTC Tasters (or PTC Nontasters). Label the horizontal axis "Number of Tasters" (Nontasters) and the vertical axis "Total ; Number of People Sampled". Plot a "best fit curve". To obtain a ratio, divide the total number of tasters (nontasters) by the total number of people sampled.
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www.iit.edu/~smile/bi9113.html
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