Calico and tortoiseshell is just a color pattern the only reason they are rare is because if the genetics that form the color pattern don't form in male cats that often because like explained above when a male calico or tortoiseshell is born it likely means the father had to X in his genetics which only effects color. There are lots of stereotypes about them that aren't true. I have heard a lot of things that aren't true about male calicos and tortoiseshells so I'm going to try and explain them. Whenever a male tortoiseshell or calico cat is born, the father likely had an extra X chromosome, XXO or XXB, which is a rarity. Here is more detail about how this works:įemale XO + Male XB = mixed orange+black patternįemale XB + Male XO = mixed orange+black pattern Males, however, have one X chromosome and one Y chromosome, which is either orange (XO) or black (XB). They only pass one on to the next generation. They have two X chromosomes, one for orange (XO), one for black (XB). Most tortoiseshell and calico cats are females. They can either be short haired or long haired and the color patterns can vary from very dark to very light. These cats often have a mottled or brindled coat. Tortoiseshell cats very often have only two colors, red and black, with no white at all, but color include black, orange (red), brown, black, cream, cinnamon, and blue. While a tortie coat might not include any white at all, calico coats always include white. Both have the same colors (white, orange, and black) but the patterns are different. Their differences lie in their special color patterns. The two colors along with the white are most commonly orange and black, but can come in a great variety of the different shades of the three main colors. Other times there is very little white, almost to the point where you don’t know it’s there, and that’s a tortoiseshell (or commonly known as tortie). Sometimes there is a lot of white, which is referred to as a Calico. Tricolor refers to a coat color that is the combination of 2 colors plus white. No, like tabbys they are only a color pattern that is found in many breeds. Calicos, tortoiseshells, and torbies all belong to a category of cat colors called tricolor. Let's start off by talking about what calicos and tortoiseshells are.
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