Pictojam
#malecalico
The Champion Cat That Doesn't Fit In
Mistelle Stevenson has a cat named Dawntreader Texas Calboy. He's a very special Maine Coon cat because he is a male calico. Calico cats are almost always female, and when Calboy was born in 2017, they assumed he was female because of his three colors. At twelve weeks they discovered he is definitely a male. The rare male calico is often due to Klinefelter’s syndrome, meaning his sex chromosomes would be XXY, and therefore sterile. Stevenson let this "sterile" kitten live with the females in her cattery, but when he was seven months old, some cats turned up pregnant. Was Calboy the father? DNA tests were inconclusive, because Calboy's genome appeared to come from two different cats. The tests were repeated, and they determined that Calboy is a chimera!Sometime early on in utero, two embryos that would normally develop into two different cats, each with its own set of DNA, fused together and grew into one cat. This does not mean Calboy is a hermaphrodite; he doesn’t have any other extra organs or body parts. It means he’s a kitty cocktail carrying two kinds of DNA. Some of his cells carry one cat’s set, some the other.
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