The cross between a Roan Chestnut 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. Base coat with a reddish body, mane and tail, with no black pigment., 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 (13%), Dun Bay (13%), Roan Bay (13%), Bay (13%), Roan Dun Chestnut (9%), Dun Chestnut (9%), Roan Chestnut (9%), Chestnut (9%), Roan Dun Black (2%), Grullo (2%), Roan Black (2%), Black (2%), Roan Dun Dark Brown (1%), Dun Dark Brown (1%), Roan Dark Brown (1%) and Dark Brown (1%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.