Sodium benzoate is a bitter chemical often used in tiny amounts as a food preservative. the ability of humans to taste sodium benzoate is caused by a dominant allele, t. the recessive allele ("non-taster") is n. what are the genotypes of a "taster" and what are the genotypes of a "non-taster"?
a. tasters. tn or nt
non-tasters: nn
b. tasters: tt or tn
non-tasters: nn or nt
c. tasters: tt or tn
non-tasters: nn
d. tasters: t
non-tasters: n
e. tasters: tt or tt
non-tasters: nn or nn
Answers: 1
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