A number of inherited diseases in the American Quarter Horse have been characterized at the molecular level. This has led to the commercialization of DMA tests for breeders. The American Quarter Horse Association and the American Quarter Horse Foundation have been providing funding for research on inherited diseases in this breed for many years culminating in the availability of these tests for this particular breed. In addition to disease tests there are a number of DNA based tests for coat color available for the American Quarter horse as well as other breeds which will not be addressed in this session.
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