Carrie's parents both have brown hair. However, Carrie gets genes for blond hair from both parents, and as result she has blonde hair. This indicates that the gene for blonde hair is a(n):

Question

Quizplus · Accepted Answer

If both of Carrie's parents have brown hair, which is a dominant trait, but Carrie has blonde hair, which is a recessive trait, then the gene for blonde hair must be recessive. It is not dominant because it was not expressed in the phenotype of the parents, and it is not a susceptibility or longevity gene as these terms refer to genes related to health and disease, not physical appearance.

Carrie's Parents Both Have Brown Hair