The cross between a Dun Chestnut stallion, whose 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. Base coat with a reddish body, mane and tail, with no black pigment., and a Gray Black mare with coat the (G) gene acts on the base coat promoting progressive lightening throughout the horse's life until reaching very pale or completely white tones. Entirely black coat, with no dilutions and no Agouti gene action restricting black pigment to the points., can produce 16 different coat colors: Gray Dun Bay (9%), Dun Bay (9%), Gray Bay (9%), Bay (9%), Gray Dun Chestnut (9%), Dun Chestnut (9%), Gray Chestnut (9%), Chestnut (9%), Gray Dun Black (7%), Grullo (7%), Gray Black (7%), Black (7%), Gray Dun Dark Brown (1%), Dun Dark Brown (1%), Gray Dark Brown (1%) and Dark Brown (1%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.