Distinguish between genotype and phenotype. Phenotype Genotype Match each of the options above to the items below. This defines how an organism appears. Examples include eye color, hair color, the degree and ability of taste, the quality of vision, and a natural resistance to a particular virus. No answer This is the DNA sequence that codes for a particular protein, which in turn gives rise to a specific visible trait. Examples include the PTC taste response or lack of it, albinism and Huntington's disease or being a carrier for it.