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http://www.npr.org/templates/story/story.php?storyId=9348104

Below is the first part of the article:

Health & Science
Researchers Identify Gene Affecting Dog Size
by David Kestenbaum​

NPR, Morning Edition, April 6, 2007
You don't find people the size of insects or giraffes; humans are all roughly the same size. The same is true of most species. There isn't a huge difference between the biggest and the smallest.

One exception to the rule may be lying at your feet right now: the dog. There are very, very big dogs and teeny, tiny dogs.

Modern dogs are the offspring of the offspring of the offspring of gray wolves – the ancestry goes back thousands of years. But while there are many kinds of wolves, they're all approximately the same size. So why are dogs different?

Scientists have been taking canine cheek swabs to find out. Their report appears this week in the journal Science.

Nathan Sutter is a geneticist at the National Institutes of Health. He says the largest dog ever seen was an Irish wolfhound named Merlin.

"[He] won at Westminster," Sutter says. "He's enormous. He's the size of a horse."

Sutter says the smallest dog ever might have been a Chihuahua named Frenchie, just two pounds as an adult. Merlin is some 80 times heavier than little Frenchie.

To find out how the dog genome generates such large and small animals, Sutter and other researchers studied the Portuguese water dog.....

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This was also in yesterday's NYT science section. The picture in the paper had a hilarious pairing of a Chihuahua and a Dane. I think they should have used Deneen's Cuz. :)
 
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