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A report from DNA Print Genomics includes genotypes, ancestral population results and 15-N population results. Ancestral population results indicate your dog’s relationship to each of the four most basic branches of the canine family tree—wolf-like, hunters, herders and Mastiffs—while 15-N population results are a set of numbers that compare a sample to groups of breed signatures in the database. Each owner is given an ID and password that are used to query the online database for matches to specific breeds.

The Mars Veterinary report presents images of the breeds present in your dog’s ancestry, with the relative size of the image indicating the prevalence of each breed. An appearance, behavior and history section describes characteristics of each identified breed that might be seen in your dog.

As the companies run more tests and add breeds to their databases, the accuracy of the results may improve. It is also possible that even more companies will enter the canine breed ancestry DNA test field. When deciding where your dog’s sample will be submitted, determine what you want to learn and educate yourself about each of the tests. All of the companies agree that working with your veterinarian will ensure that you get the most out of your results. Who knows, choosing the test that best matches your needs could do more than just earn you a victory in the great German Shepherd/Doberman Pinscher debate!

*None of these tests are designed to identify purebred dogs, and the AKC will not accept test results for registration purposes.

Want to read more about dogs and DNA? Click here.

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This article first appeared in The Bark,
Issue 50: Sept/Oct 2008
Amy Young is a geneticist at the University of California, Davis; her article on commercial DNA breed tests appeared in the Sept/Oct '08 issue of Bark.

Photograph by Gretchen LeMaistre

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