Question

We are pretending that tongue-curling in humans is a dominant genetic trait.

Suppose a man who is Tt for tongue-curling marries a woman who is also Tt for this trait. What are the possible genotypes and phenotypes of their children, and the percent chance for each?

Answer 1

The possible genotypes of the children would be TT, Tt, and tt, with percentages of 25%, 50%, and 25% respectively. The corresponding phenotypes would be tongue-curling in TT and Tt individuals, and no tongue-curling in tt individuals.

Step-by-step explanation:

In this scenario, a man who is Tt for tongue-curling marries a woman who is also Tt. The possible genotypes of their children are TT, Tt, and tt. The percent chance for each genotype is 25% for TT, 50% for Tt, and 25% for tt. The corresponding phenotypes would be tongue-curling for TT and Tt, and no tongue-curling for tt.