A massive study of more than 80,000 individual dogs reveals there's actually a lot of behavioral variation within any given breed, particularly when it comes to aggression. (tampabayvets.net)
«It's difficult to separate social responsiveness from behavioral variation in general,» she notes. (sciencemag.org)
Development and application of newer techniques in molecular biology offers the promise of identifying the DNA marker sequences responsible for behavioral variation. (siriusdog.com)