The genetics of a coat Aug 28, 2009 By dvm360.com staff Scientists have discovered that just three genes account for the menagerie of coats seen in dogs: one for fur length, one for curliness, and one for growth pattern. Click here to read more. Hot topics on dvm360Pet Owner 2.0: A dvm360 Leadership Challenge Veterinary issues in 2016: Will this be the year of telemedicine? Top 8 nastiest things to clean at a veterinary practice The 12 days of veterinary client handouts Need a urine sample? Urine luck!