OO results in orange fur, oo results in fur without any orange (black, brown, etc.), and Oo results in a tortoiseshell cat, in which some parts of the fur are orange and others areas non-orange. Since females have two X chromosomes, they have two alleles of this gene. Males can typically only be orange or non-orange due to only having one X chromosome. The orange allele is O, and is codominant with non-orange, o. This gene is located on the X chromosome. In cats with orange fur, phaeomelanin (red pigment) completely replaces eumelanin (black or brown pigment). All Himalayan Persians display base coats that range from white to fawn with coloring restricted to the points.The sex-linked red "Orange" locus, O/o, determines whether a cat will produce eumelanin. The Himalayan division is one of the largest and most diverse, but all members must exhibit bright blue eyes. Eventually, they were accepted as a Persian variation, rather than a cross or a separate breed. Himalayan Persians were created by crossing Siamese cats with Persians to bestow the Siamese color pattern on Persian cats. Image Credit: Eric Isselee, Shutterstock Himalayan Division Calico Persians have patches of black and red strewn over a white base coat. They usually have color on the top while their bellies and legs are white. Van Persians have white coats with up to two spots of color limited to the head, limbs, and tail. There are just two patterns in the Bicolor division, though they can display a range of colors. Image Credit: CKYN stock photo, Shutterstock Silver tabbies can have green, hazel, or copper eyes, but all other tabby Persians have copper eyes. Patched tabbies do not come in red, cream, or cameo. Patched tabbies are mackerel or classic tabbies with the addition of red patches. Mackerel Persians have narrow pencil-like stripes that run around their bodies. Classic tabbies have bull’s eye markings on their sides. There are three patterns recognized in the tabby division, which are patched, classic, and mackerel. Image Credit: Linn Currie, Shutterstock Tabby Division Cameo, shell, and shaded Persians display coats that have multi-colored hairs with tips that are a separate color from the contrasting undercoat. However, once the cat starts to move, the coat opens up, showing the stark contrast of a bright white undercoat. When the cat is still, it appears to have a solid-colored coat. Image Credit: Linn Currie, Shutterstock Smoke and Shaded Division The eyes of silver or golden Persians are green or blue-green with black rims. Chinchilla Persians are a brilliant white with black tipping. Shaded Persians appear to have even black shading over their darker parts. They come in chinchilla and shaded varieties. Silver and gold Persians are some of the most exquisite specimens in the breed. Image By: ANURAK PONGPATIMET, Shutterstock Some colors, such as blue, white, and black, are rather commonplace among the breed, while chocolate and lilac are much rarer, having been produced by mixing with Himalayan Persians. Other solid-colored Persians all have copper eyes. White solid-colored Persians can have three different eye colors: copper, blue, or one of each. Persian cats of the solid classification sport only a single coat color that’s uniform all over. Today, the Persian breed is diverse, and there are seven different divisions of Persian cats that are recognized by the Cat Fanciers’ Association, adding up to more than 60 different colors that you can get a Persian cat in. For instance, that trademark flat face is a more recent addition that wasn’t part of the breed when it was first originating. Known for their luxurious long coats and sweet personalities, Persian cats have gone through many changes over the years. Persian cats are one of the most popular cat breeds in the world, and they have been for a very long time.
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