Heterochromia is a variation in an animal's coloration, most often a difference in the colors of the left and the right eyes' irises, but also a variation in the color of hair or skin. Heterochromia is determined by the production, delivery, and concentration of melanin (a pigment).
Heterochromia is a variation in an animal's coloration, most often a difference in the colors of the left and the right eyes' irises, but also a variation in the color of hair or skin. Heterochromia is determined by the production, delivery, and concentration of melanin (a pigment).
Source: Wikipedia "Heterochromia" · CC BY-SA 4.0
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