The ability to curl your tongue up on the sides is dominant to not being able to roll your tongue. A woman who can roll her tongue marries a man who cannot. Their first child has his father's phenotype.

The ability to curl your tongue up on the sides is dominant to not being able to roll your tongue. A woman who can roll her tongue marries a man who cannot. Their first child has his father's phenotype.

What are the genotypes of the mother, father, and child? Draw a Punnett square to explain your answer.
B. What is the probability that a second child won't be a tongue roller?

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The ability to curl your tongue up on the sides is dominant to not being able to roll your tongue. A woman who can roll her tongue marries a man who cannot. Their first child ha…

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