Long and Curly, or Wiry With a Mustache: Three Genes Determine Dog's Fur

The remarkable diversity among dogs' coats--from the shaggy fur of a sheepdog to the sleek coat of a beagle, and everything in between--comes down to a mere three genes, according to a new report published in Science. The broad genetic study determined that one gene controls hair length and softness, another determines whether the hair is straight or curly, and a third