If another man who can roll his tongue marries a woman who cannot and they have...

If another man who can roll his tongue marries a woman who cannot and they have ten children all of whom can roll their tongues, what is his probable genotype? What is the genotype of the children? The phenotype? Can you be sure of the man's genotype--why or why not?

Expert Solution

gladiator answered 1 month ago

In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue.

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