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| [Note Guidelines] Photographer's Note |
Tortoiseshell cat
A tortoiseshell (technically tortoiseshell-and-white) cat.Tortoiseshell and calico describe a coloring found in cats caused by a combination of specific genetic traits. In female cats, where this trait primarily occurs, it is a result of X-inactivation, in which different patches of fur receive coding for different hair color due to the activation of an X chromosome from either the mother or the father. Calico coloring is a mix of phaeomelanin based colors (red) and eumelanin based colors (black, chocolate and cinnamon). Cats of this coloration are believed to bring good luck in the folklore of many cultures; in the United States these are sometimes referred to as money cats.
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