Genetics and the Shape of Dogs

Genetics and the Shape of Dogs
Elaine A. Ostrander, American Scientist Set-Oct 2007.

Studying the new sequence of the canine genome shows how tiny genetic changes can create enormous variation within a single species.

How can dogs that vary in size from a few pounds to almost 200 pounds all be the same species? The large size variation in dogs has long been a question for breeders and everyday dog-lovers alike. Elaine Ostrander, head of the Dog Genome Project at the National Institutes of Health, and her group have recently completed the sequencing of a dog genome and can point to some groups of genes for size and other traits.

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