The statistics are different for calicos and torties. They are almost always female. As a matter of fact, only one in 3,000 kittens that are born to calicos and torties are male. Black and orange cats have 2 x chromosomes which make them female. The very rare kitten born with xxy chromosomes will be male. The xx chromosomes give the cat the black and orange color; the y chromosome makes it male. However those cats born with the xxy chromosomes are sterile so no more males in their future.
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