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