Cat with two different colored eyes swats at toy. J is a beautiful white cat with one bright blue eye and one bright yellow eye.

Heterochromia refers to two or more colors of something, like when a cat has two different colored eyes. Sometimes this is called "odd eyes". Certain breeds of cat like Turkish Angora cats are more likely to have differently colored eyes.

Eye pigmentation is determined by the distribution of melanin, which also determines the color of the cat's nose, paws, and fur. Oddeyed cats frequently have white or predominantly white fur, and one blue eye, since a gene that controls fur color is also connected to a tendency to have differently color eyes.

Feline heterochromia can be inherited, or a result of chimerism or mosaicism, which are fascinating genetic processes. Read more at lovethesecats.com/oddeyedcat