An [[allele]] that will not determine the phenotype unless the genotype is [[homozygous]] with that allele.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia | An [[allele]] that will not determine the phenotype unless the genotype is [[homozygous]] with that allele.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia |