A dog at the vet
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Her dog's DNA test failed six times, and the lab's explanation left her shocked

By Elise Petter

Kami bought a DNA test to find out her dog's heritage, but it failed six times. In-depth analysis eventually revealed an extremely rare genetic phenomenon.

Found in the middle of a road in Kentucky, USA, in October, Dante the dog was adopted by Kami Neihoff. Since becoming a professional groomer, Kami had wondered about her companion's unusual coat texture and wanted to find out more about his genetic health. She decided to order her first DNA test kit from Embark.

To her surprise, the first sample yielded no results. Equally puzzled, the company offered her two more tests, which also ended in failure.

Six attempts and a lingering mystery

Determined to get answers, Kami turned to a second lab, Wisdom. After two more cheek swabs failed, her vet took a blood sample to carry out a sixth test. Once again, the analysis resulted in an error.

Faced with this highly unusual series of events, the laboratory manager looked directly at the raw data to understand what was throwing off the machines. She eventually contacted the owner with an unexpected explanation.

An extraordinary genetic phenomenon

Dante is actually a chimera. During the early stages of his development, two distinct embryos fused together, meaning the dog has two entirely different sets of DNA. The laboratory equipment was unable to separate these two DNA profiles, causing the tests to fail every single time.

This condition can put the dog at a slightly higher risk of autoimmune disorders if his body rejects one of the two sets of DNA, but for now, Dante is in perfect health. Kami will probably never know her pet's exact breed, but she now knows just how unique her companion is.

Translated from the Wamiz website FR using artificial intelligence

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