Some people have managed to notice that there is a pattern that all cats with three colors are female. But is this really true? To answer that question, we're going to show you how, exactly, cat fur colors are formed.
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You know that XX and XY chromosome pair scheme we studied in biology classes? Because this dynamic is also present in the organism of cats. That is, each time a kitten is generated, it receives one chromosome from the father and one from the mother. Thus, there is the possibility that these pairs have the formation of XY, for male, and XX, for female.
Thus, when a cat has three colors, there are usually two pairs of chromosomes in order. That is, one X gene colored yellow and another X gene colored white. It is also worth remembering that, in this case, the white gene must be dominant, so that the puppy will have three different colors. In this way, tricolor cats are really female.
Although it is very rare, it is in fact possible for a male cat to have three colors, just like females. This will also be related to the pairs of chromosomes, in which case there will be a kind of anomaly, after all, it would be a change in the number of ordered pairs. As we have seen, it would take at least two X-type chromosomes to form a variety of three types of colors.
Therefore, the cat needs to have three chromosomes to be a male of three colors, that is, XXY. Meanwhile, it's important to be aware, as the change won't just be external, in the hair. In fact, males in this condition will be sterile cats.
In terms of percentage, there is always talk of a 99% certainty that tricolor cats are female. To prove this, just take a look at the felines closest to you to notice that the males will have up to two colors, while those with three colors will always be female.
