] In a study that alters conventional wisdom and paves the
] way for a better understanding of canine behavior and
] evolution, scientists say they have found genetic
] variations that allow them to distinguish among 85 dog
] breeds and to identify an individual dog's breed with 99
] percent accuracy.

I wanted to do this. I've been following this... very interesting.

The New York Times:Science:Collie or Pug? Study Finds the Genetic Code