A phenotype is a product of a genotype type- observable, visible, and physical characters of the organism. With a genotype, the intrinsic and extrinsic environments also involved in deciding a phenotype . Phenotype Definition Phenotype is a term used in genetics to refer to all the observable traits in organisms as a result of the interaction of the genotype with the environment. The term ‘pheno’ in ‘ phenotype ’ refers to ‘observe’ and thus phenotype is used to indicate the observable characteristics in organisms like its height and color. The phenotype of an organism covers the organism’s morphology, physical form and structure, its development and behavior, its biological and ... Phenotype definition, examples, and more info on Biology Online, the largest biology dictionary online. Test your knowledge - Phenotype Biology Quiz! Phenotype is the observable physical or biochemical characteristics of an organism . These include features like height, eye color, blood type, or disease resistance. Phenotype results from the interaction of genotype and the environment.