[Taste sensitivity for phenylthiocarbamide among the population of western Kazakhstan].

The sensitivity to phenyl thiocarbamide was studied in 405 people of Kazakh nationality and in 161 people of Russian nationality (males and females), the students of the Institute. 23.9% of the former proved non-sensitive, the gene frequency "t" being 0.490. Among the latter these values were 28.6% and 0.535, respectively.