Hard-Wired?
Clip: Season 25 Episode 12 | 3m 8s
Genetics and brain physiology can affect a dog's personality and behavior.
Aired: 10/11/11
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Problems Playing Video? | Closed Captioning
Clip: Season 25 Episode 12 | 3m 8s
Genetics and brain physiology can affect a dog's personality and behavior.
Aired: 10/11/11
Problems Playing Video? | Closed Captioning
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