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33% of U.S. (cat-owning) households can’t be wrong!!!
Click the link below to USA Today and find out more….
Are all calico and tortoiseshell cats female? Are 80% of orange cats male? Neither one! But the myths have a basis in fact and you’ve got to learn some complicated genetics to understand why it seems that way. Some coat colors are linked to X and Y chromosomes and some are just out there. Some actually cause a coat to be a certain color while others just influence the possibilities. Let’s take X and Y and male and female and black fur and orange fur and white fur, toss all the possibilities in the air and see what falls out. Cats basically have three coat colors, black, white and orange, or red as it’s known to breeders. They also have patterns, and some breeds have specific dilutions or combinations of these colors that may seem like brown or blue or even purple, but they are actually variations on these shades. We’re just talking about the distribution of the big three colors. Leaving white out of the mix for another day, coat colors orange and black are carried on the X chromosome. Because males are XY, only getting one X from their mom, they tend to be whatever color that X carries, orange or black, nice and simple. But females are XX and actually inherit, not only two options for coat color, but two actual coat colors. If both X chromosomes are black OR orange, she is either black or orange, but if one is black AND one is orange, she is BOTH, forming patches because each skin cell has a tendency for one color or the other! So to answer, first, the “80% of orange cats are male” theory, male cats have one chance at color because of their one X chromosome, while females get TWO chromosomes and BOTH have to be orange for her to be orange because if only one is orange she is calico, so it simply reduces the chances of her being orange. Now for the theory that “all calico or tortoiseshell cats are female”, it’s close to true but it’s not a hard and fast rule. For a cat to have two coat colors it needs to have two X chromosomes; males normally only have one, but they can, like humans, have the Klinefelter’s XXY and therefore have two coat colors, though they are sterile and may have related health problems. They can also have a “chimeric” coloration wherein two embryos of different coat color develop pressed together and impress their colors on each other, and orange cats will sometimes develop a black spot as humans develop birthmarks, thereby having three coat colors. These last two tri-color males are as fertile as any other, so don’t assume they don’t need to be neutered! None of these is common but can be found, and contrary to popular opinion, they are no more valuable than any other mixed-breed cat, but just as loving and worthy of a good home.
For cats, claws are more like fingers than fingernails because a cat can expose and retract her claws at will; she may not have opposable thumbs, but her little round paws are quite nimble when the claws are put to use. Sometimes she’ll use them to dig into a surface to hold on or to propel herself, not intending to claw the surface itself, as you would use your fingers to grab something if you slipped or were climbing. Cats actually use their claws like fingers in everyday activities, helping to dig around in the litterbox, grasping toys in play and in helping give themselves a deeper stretch or flex by holding on to a horizontal or vertical surface with their claws. Being able to use their claws in all these ways helps them to keep in shape as they flex each of their muscles every day as they bathe, walk around and play.