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2) The ability to curl your tongue up on the sides (T, tongue rolling) is dominant...

2) The ability to curl your tongue up on the sides (T, tongue rolling) 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? What is the probability that a second child won't be a tongue roller?

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