Did you know?
Male cats cannot be calico.
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There are two genes that control gender, X and Y. combinations of these two genes are the deciding factor. This is true for both cats, humans, and many other animals. XX is the combination for female, and XY is the combination for male.
In cats only the X gene carries a color allele, and since the calico pattern requires two color genes, (black and orange), that means theoretically male cats cannot be calico because they only receive one color allele.
In rare cases, there is an exception to this rule. Occasionally cats are born with a defect, or mutation known as Klinefelter syndrome. klinefelter syndrome occurs when a male receives an extra X with his Y, creating the abnormal XXY combination. The extra X gene provides the extra color gene necessary for the calico pattern. The downside to this is that most cats with this condition are usually sterile
Male cats cannot be calico.
check it out!
There are two genes that control gender, X and Y. combinations of these two genes are the deciding factor. This is true for both cats, humans, and many other animals. XX is the combination for female, and XY is the combination for male.
In cats only the X gene carries a color allele, and since the calico pattern requires two color genes, (black and orange), that means theoretically male cats cannot be calico because they only receive one color allele.
In rare cases, there is an exception to this rule. Occasionally cats are born with a defect, or mutation known as Klinefelter syndrome. klinefelter syndrome occurs when a male receives an extra X with his Y, creating the abnormal XXY combination. The extra X gene provides the extra color gene necessary for the calico pattern. The downside to this is that most cats with this condition are usually sterile