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Many Studies on Genetic Variation in Humans Have Been Done

Question 11

Multiple Choice

Many studies on genetic variation in humans have been done with the perception of taste.The chemical phenylthiocarbamide (PTC) has been used extensively in these studies.Although many individuals cannot taste PTC,many individuals find the taste of PTC to be ________.


A) umami
B) salty
C) sour
D) bitter
E) sweet

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