Can YOU curl your tongue up on the sides?
Scientists Debunk Familiar Tongue-Rolling Lore | HuffPost Impact
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?
Genotype : TT, Tt, tt
Phenotype (curl or no curl): (blank 1),(blank 3), (blank 5)
Percent Chance (number only): (blank 2),(blank 4), (blank 6)
Genotype : TT, Tt, tt
Phenotype (curl or no curl): Curl, Curl, No curl
Percent Chance (number only): 25%, 50%, 25%