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 Chestnut mare with coat base coat with a reddish body, mane and tail, with no black pigment., produces equal chances (50% each) for: Roan Chestnut (50%) and Chestnut (50%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.