Dogs today come in a mind- blowing array of shapes and sizes, from the diminutive pug, Pekingese and Pomeranian to the grand Irish Wolfhound, Great Dane and Saint Bernard. But when did this diversity ...
Researchers have finally solved one of the great canine mysteries: Why are small dogs small? As it turns out, small dogs all bear a tiny piece of regulatory DNA that shuts off the gene that produces a ...
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