Meet Venus, a five-year-old tabby who’s become an internet sensation for her strikingly unusual appearance – half of her face is orange while the other is black, the divide is so perfect, it runs right down the center of her face. It seems too perfect to be true, so much so that you’ll be tempted to dismiss it as fake.
Christina and Chris, Venus’s owners, who is running the website, first saw her at a dairy farm in North Carolina in 2009. She looked like a mixture of their other two cats – an orange tabby and a black tuxedo – so they knew they had to take her home immediately. People are always shocked when they Venus for the first time, and some have even accused the couple of dying her fur. But they insist that she was born that way and that they had nothing to do with her bizarre coloring.
While Venus’s appearance might seem implausible, it turns out that her coloring can be scientifically explained. According to Professor Leslie Lyons who studies cat genetics the University of California, the black coloration might have been randomly activated in all the cells on the right side of her face while she was a fetus in the womb. The orange color was probably activated on the other side and they met in the middle.
Another theory states that Venus could be the product of two embryos, ultimately frozen into one – a chimera. But Virginia Papaioannou, Professor of Genetics and Development at Columbia University, calls Venus a striking example of a ‘calico cat’. “It’s a fairly straightforward example of X-inactivation mosaicism, with the addition of a white spotting gene,” she said. The color of Venus’s eyes could be different because of the white spotting gene, which is also responsible for the white patches on her coat and paws. In any case, DNA testing could help establish the exact reason behind Venus’ two-toned face.
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