Dogs' physical traits controlled by small number of genetic regions

Sure, dogs are special. You might not be aware, however, that studying their genomes can lead to advances in human health. So next time you gaze soulfully into a dog's eyes or scratch behind its ears, take note of the length of his nose or the size of his body. Although such attributes can vary wildly among different breeds, a team of investigators co-led by researchers at Stanford University School of Medicine, Cornell University and the National Human Genome Research Institute has found that they are determined by only a few genetic regions.

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