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Posted on Jul 31, 2013 in Dog News | 0 comments

Is Bull The Labrador Dog A Chimera?

Is Bull The Labrador Dog A Chimera?

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Is Bull The Labrador A Chimera 206x300 Is Bull The Labrador Dog A Chimera?A Labrador Retriever dog, Bull, has a coat colored like that of a calico cat.

The Lab is a patient at Texas A&M Veterinary Medical Teaching Hospital.

Photos of this dog with odd, but beautiful markings, went viral recently.

Bull is thought to be a chimera because of his unique coat.

Wikipedia defines a chimera as “a single organism (usually an animal) that is composed of two or more different populations of genetically distinct cells that originated from different zygotes involved in sexual reproduction.”

In layman’s terms a chimera is one particular animal that genetically is two animals, i.e. a dog that is also his very own twin.

Bull is apparently a chimera both black Labrador and yellow Labrador.

venus chimera cat facebook page1 Is Bull The Labrador Dog A Chimera?Bull has become the doggy version of Venus The Amazing Chimera cat, without the same dead-even colored split in the middle of her face. Venus’ the “two-faced” calico chimera cat caught the Internet’s interest last summer.

Another explanation may be that when Bull was conceived a phenomenon called somatic mutation took place. The type of thing tends to occur more commonly in Labrador and Golden retrievers; no one knows why, and the mutation is not inherited.

To read more on somatic mutation and to see photos of a Labrador that has the characteristics of it, click here.

Images from Facebook: Bull the Labrador and Venus.

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