An allele that exerts its effects whenever it is present is:

Which term refers to the observable traits of an organism that are dictated by its genotype?

The ability to change phenotype in response to local environmental conditions is called:

Which term refers to the observable grayness or whiteness of hair in an individual?

Which best describes genotype and phenotype, respectively?

In a certain plant, the alleles A, B, and C are completely dominant to the alleles a, b, and c. A plant with the genotype AABbcc will have the same phenotype as a plant with the genotype __________.

Color in squash is controlled by epistatic interactions in which color is recessive to no color. At the first locus, white squash (W) is dominant to colored squash (w). At the second locus, yellow (Y) is dominant to green (y). What is the phenotype of a squash with the genotype wwYy?