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Cancer-Fighting Grapes, Dog Brain, Sea Forests

Curiosity Weekly

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How Many Dog Breeds Were Bred For?

Researchers identify 10 major genetic lineages among hundreds of dog breeds. Each lineage corresponded to a specific category normally used for tasks such as hunting by scent or hunting by sight, or herding and so on. The common sets of genes were responsible for most common dog behaviors if the dogs were well suited for similar tasks.

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