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As further advances are made in science, DNA testing is becoming more widely available. Essentially it evaluates aspects of a dog’s genetic code for genes which are known to correspond with certain things. The latter can include color genes, diseases genes, and even genes known to occur in certain breeds for those wishing to identify some of the components of a mixed breed dog’s heritage. For the owner, the procedure to get a sample for the test is quite simple and, depending on the test, can be quite affordable.