Evo-Devo: Dog Breeding
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Dog Breeding
http://www.hhmi.org/biointeractive/evolution/dog_breeding.html
The many forms of dogs that exist today were all created through selective breeding from the dog's ancestor, the wolf. In a span of less than 10,000 years, breeders have changed traits and body shapes of dogs by artificial selection-for example, emphasizing different aspects of hunting and herding behavior.