saury submitted, created time 1 year 9 months (www.nih.gov)

The findings in the April 6, 2007 says an international team led by researchers from the National Human Genome Research Institute (NHGRI), part of the National Institutes of Health (NIH), has identified a genetic variant that is a major contributor to small size in dogs. In such study, the researchers analyzed DNA from more than 3,000 dogs from 143 breeds to pinpoint a specific gene sequence variant, or haplotype, associated with small size in the canine genetic code. Nearly all of the small dogs studied shared this genetic variant, implicating it as a major influence on stature in dogs.

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