Calico Dog May Be a Chimera

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A photograph of a dog at a veterinary hospital has gone viral this week because of the animal's unusual but beautiful markings. The Labrador Retriever, Bull, has a coat colored like that of a calico cat. He is a patient at Texas A&M Veterinary Medical Teaching Hospital, according to MSN Now.

Because of Bull's unique coat, he is suspected of being a chimera, a single animal that genetically is two animals, i.e., an individual that is its own twin. Bull, then, appears to be a chimera that is both black Lab and yellow Lab.

We saw this phenomenon last summer when a "two-faced" calico chimera cat named Venus caught the Internet's attention. Bull has emerged as Venus' canine counterpart, albeit without the same dead-even color split down the middle of his face.

Whether Bull is a chimera hasn't been confirmed medically yet, but we'll watch the veterinary hospital's Facebook page to see if they post any further information and, hopefully, more photos of this interesting dog.


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