The ability to perceive a bitter taste from certain chemicals including PTC has been linked to certain alleles
Which of the following would provide an explanation for the fact that almost all
nonhuman primates have the "taster" phenotype, whereas the human population has a
significant percentage of "nontaster" phenotypes?
A. The advantage to being able to taste bitter
compounds would keep you from eating
poisonous compounds, an advantage not
needed in the human population anymore.
B. The advantage to not being able to taste
bitter compounds means that humans are
more likely to eat vegetables and hence live
longer than nonhuman primates.
C. Nonhuman primates only eat foods that
are not bitter, so the phenotype of tasting
bitter compounds was not selected against.
D. Humans needed the ability to not taste
bitter compounds, so the mutation happened.
d.
C
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