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Missense Mutation in Exon 2 of SLC36A1 Responsible for Champagne Dilution in Horses

Figure 1

Effect of Champagne gene action on base coat colors of horses (chestnut, bay, and black).

A) Chestnut – horse only produces red pigment. B) Chestnut diluted by Champagne = Gold Champagne. C) Bay – black pigment is limited to the points (e.g. mane, tail, and legs) allowing red pigment produced on the body to show. D) Bay diluted by Champagne = Amber Champagne. E) Black – red and black pigment produced, red masked by black. F) Black diluted by Champagne = Classic Champagne.

Figure 1