What do the traits of tongue roller, freckles, and dimples have in common?

A) They all have multiple alleles.
B) They are all recessive traits.
C) They are all inherited by codominance.
D) They are all dominant traits.
E) They are all inherited by incomplete dominance.

Codominance

A genetic situation in which two alleles of a gene contribute to the phenotype of the organism in separate, distinctly observable ways.

Dominant Traits

Genetic characteristics that are expressed in an organism even when only one copy of the gene is present.

Incomplete Dominance

A genetic phenomenon where the phenotype of the heterozygote lies somewhere between the phenotypes of the two homozygotes.