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Description
Bay - Ee/Aa or EE/AA or EE/Aa or Ee/AA (Bay) OR EE/Ata or AtAt (Seal Bay) OR Ee/A+a or A+A+ (Wild Bay) - The Agouti gene controls the distribution of black pigment. This pigment can be either uniformly distributed or distributed to "points" of the body [ear rims, lower legs, mane, tail]. Only when the agouti gene is homozygous for the deletion [aa] is the black pigment evenly distributed. Heterozygous [Aa] or homozygous for the absence of the 11 nucleotide deletion [AA] results in point distribution of black pigment. Agouti has no effect on homozygous positive red factor [ee] horses as there has to be black pigment present for agouti to have an effect. Agouti is not shown physically on red [ee] horses.

Description
Bay - Ee/Aa or EE/AA or EE/Aa or Ee/AA (Bay) OR EE/Ata or AtAt (Seal Bay) OR Ee/A+a or A+A+ (Wild Bay) - The Agouti gene controls the distribution of black pigment. This pigment can be either uniformly distributed or distributed to "points" of the body [ear rims, lower legs, mane, tail]. Only when the agouti gene is homozygous for the deletion [aa] is the black pigment evenly distributed. Heterozygous [Aa] or homozygous for the absence of the 11 nucleotide deletion [AA] results in point distribution of black pigment. Agouti has no effect on homozygous positive red factor [ee] horses as there has to be black pigment present for agouti to have an effect. Agouti is not shown physically on red [ee] horses.