There is a single gene that controls the ability to taste PTC paper..?

There is a single gene that controls the ability to taste PTC paper. The ability to taste is dominant to the inability to taste. If you can taste the paper, it is very bitter. Which of the following genotypes can taste the paper?

Only PP,

Both PP and Pp

Both PP and pp

Only Pp

Only pp

1 Answer

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  • 8 years ago
    Best Answer

    Both PP and Pp

    PP because both alleles are "tasters"

    Pp because one allele is "taster", which is dominant and so "masks" the recessive "non-taster" allele.

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