Dog DNA Tests: Mixed Results

Dog DNA Tests: Mixed Results

While some of the early mixed-breed identification tests used a blood sample, all of the products on the market today extract DNA from cells swabbed by the dog’s owner from the inside of the dog’s cheek. The swab is sealed in a container provided by the company and mailed off to the company’s lab. There, technicians extract your dog’s DNA from the swab, and use computers to identify and compare specific bits of it to bits taken from dogs of known lineage.

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