DNA study unlocks mystery to diverse traits in dogs

Discovery offers potential benefits for dogs and their owners
What makes a pointer point, a sheep dog herd, and a retriever retrieve? Why do Yorkshire terriers live longer than Great Danes? And how can a tiny Chihuahua possibly be related to a Great Dane?

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<p><a href="http://www.physorg.com/news133324144.html">DNA study unlocks mystery to diverse traits in dogs</a></p> <p><b>Discovery offers potential benefits for dogs and their owners</b> <br>What makes a pointer point, a sheep dog herd, and a retriever retrieve? Why do Yorkshire terriers live longer than Great Danes? And how can a tiny Chihuahua possibly be related to a Great Dane?</p>