A dad has the genotype of FfTt; he has freckles and can roll his tongue. A mom has the genotype fftt; she has no freckles and cannot roll her tongue.

What is a cordon and where is it found

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles