It’s a common misconception that orange cats are always male. However, around 80% of them are. The color of a cat’s fur depends on genetics linked to their sex, so orange cats inherit their color from their mother, with female cats needing orange genes from both parents rather than one.
Are All Orange Cats Male?
About 81 percent of orange cats are male, says Bell. According to Konecny, male cats who carry the orange gene at all will be orange, whereas female cats will only inherit an orange coat if they carry the orange gene on both X chromosomes.
“The likelihood of having two orange genes is significantly lower because the orange gene is much less common than the black gene in the overall cat population. Bell claims that as a result, orange male cats are more common than orange female cats.
All of this means that, depending on the color of their father, the male kittens born to an orange mother will also be orange, according to Konecny, and a tortoiseshell mother will have half of her male kittens be orange and the other half be black.
According to Konecny, for a female kitten to be orange, the mother and father must also be orange. According to her, half of the female kittens born to a tortoiseshell mother and an orange father will be orange.
Color in Cats is (Mostly) Linked to Sex
A cat’s fur color is determined by two dominant colors: black and red, regardless of whether it is calico, tortoiseshell, orange, black, brown, or gray. These hues can change into various tones; for example, black can turn into chocolate, cinnamon, lilac, blue, and fawn. Additionally, the orange gene, which determines red, can change into cream.
The X chromosome contains the color genes for red and black in cats. According to Dr., this chromosome determines a cat’s sex along with Y in males. Harold Bell is an adjunct genetics professor at Tufts University’s Cummings School of Veterinary Medicine in North Grafton, Massachusetts.
“They are actually alleles, which are two different forms of the same gene located at a single chromosomal location,” he explains. Therefore, one or the other of the two hair genes—black or orange—can be found on an X chromosome, but not both.
“One allele will create orange coloration. Except for pure white, every other color will be concealed by this allele. The other allele will create a non-orange coloration. According to Dr., this allele is “recessive” and permits the expression of a non-orange (typically black) coloration. Susan Konecny is the medical director of Kanab, Utah’s Best Friends Animal Society.
Males normally carry only one X chromosome. Males cannot therefore have both black and orange hair on their bodies, but they can be either black or orange (or other color variations based on other gene locations). Bell says that because the female has an extra X chromosome, she may be able to receive both the orange and black genes.
They are less common in cities and more common in villages
Studying cats must be a pretty wonderful job. Furthermore, we now know that the orange cat breed is more likely to appear (at least in France) in rural areas as a result of a laser-focused ten-year project conducted in France by Pontier et al. The researchers came to the conclusion that while females in these areas typically remain faithful to a single male, males in these areas mate with multiple females, while both sexes reproduce with multiple partners in urban areas. According to research, orange cats can use their aggression and size to their advantage for reproduction in urban settings, but these traits are less useful in relatively densely populated urban areas.
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