Mult-Drug-Resistance-1 (MDR-1) Gene in Dogs What Does It Mean?

We sent some samples out for genetic DNA testing on a dog, to find out what breeds he was and one of the tests came back positive for the MDR-1 gene. The owner asked me what that was, and whether it mattered or not. Mult-Drug-Resistance-1 MDR-1 Gene in Dogs What Does It Mean? In a … Read more