There Is a Single Gene That Controls the Ability to Taste

question 12

Multiple Choice

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?

• A) only PP
• B) both PP and Pp
• C) both PP and pp
• D) only Pp
• E) only pp

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