Pleiotropic gene (Gr. ݈ܲ݁݅݊ = ݉ݎ݁ (is the gene having the ability to show multiple effects. Inݏݎܦℎ݈݅ܽ, a gene for white eye mutation is also responsible for depigmentation of body parts thus a gene controlling more than one phenotype is called as pleiotropic gene.