Beagle or Bichon: Can Dog Drool Provide Insight?

Advances in DNA testing have changed the way we pursue criminals, verify paternity and date medieval manuscripts. Now it's being used to answer one of the greatest riddles mankind has ever faced: What kind of dog is that?

A new pack of genetics companies say they can tell mutt owners which breeds their dogs come from, for a fee of $60 to $125. The results, say the companies, can satisfy simple curiosity, provide clues to a dog's behavioral quirks, and even help identify breed-specific health problems.

But can a few strands of DNA really hold the answer to your dog's inner being?

[Read the full story at the Wall Street Journal...]