The cross between a Roan Dark Brown stallion, whose coat the (Rn) gene acts on the base coat by distributing white hairs throughout the body, giving it a roan appearance. The head and legs retain the original base color tones. Dark brown coat, often nearly black, with black points, expressed over the bay base., and a Dun Dark Brown mare with coat the Dun gene acts on the base color, adding the characteristic dark dorsal stripe. In some cases it lightens the body tone and may also produce zebra-like leg markings. Dark brown coat, often nearly black, with black points, expressed over the bay base., can produce 16 different coat colors: Roan Dun Bay (14%), Dun Bay (14%), Roan Bay (14%), Bay (14%), Roan Dun Dark Brown (6%), Dun Dark Brown (6%), Roan Dark Brown (6%), Dark Brown (6%), Roan Dun Chestnut (3%), Dun Chestnut (3%), Roan Chestnut (3%), Chestnut (3%), Roan Dun Black (2%), Grullo (2%), Roan Black (2%) and Black (2%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.