Glossary

Multi-Drug Resistance Gene

Glossary

Multi-Drug Resistance Gene

The Multi-Drug Resistance Gene [MDR1] or Multi-drug Resistance 1 is a genetic mutation found in many of the herding breeds, some sight-hound breeds, and many mixed dogs. This mutation can have a significant impact on drug sensitivity. Dogs that they have two copies of the mutation will display a sensitivity to a variety of drugs. (see: Animal Genetics).

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