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Brain Health Linked to Man's Best Friend

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Dog: Canis Lupus Familiaris

The dog genome is similar in size to the genomes of humans and other mammals, containing approximately 2.5 billion DNA base pairs.
 
Due to a long history of selective breeding, many types of dogs are prone to genetic diseases that are difficult to study in humans, such as cancer, heart disease, deafness, blindness and autoimmune disorders.
 
Once agriculture took hold, dogs would have been selected for different tasks and they became herders and guards.
 
As humans migrated around the planet, a variety of dog forms migrated with them. The agricultural revolution and subsequent urban revolution led to an increase in the dog population and a demand for specialization. These circumstances would provide the opportunity for selective breeding to create specialized types of working dogs and pets...

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