Dogs have long been central to the study of behavioral genetics. Their domestication, global distribution, and diversity make them a uniquely powerful model for investigating how genetic changes influence behavior. With the advent of genomic sequencing technologies, researchers can now study thousands of dogs at a molecular level, correlating genetic variants with specific behavioral traits.
However, as Lord and colleagues point out, the field faces key limitations. Much of canine behavioral genetics has focused narrowly on modern purebred dogs, which represent only a fraction of canine diversity. This focus restricts the ability to generalize findings across the global dog population, including free-ranging and village dogs. Furthermore, the historical divide between biological and psychological approaches to animal behavior has slowed integrative progress.
The authors argue that adopting an evolutionary framework could help move the field beyond simple genetic associations. By considering the interactions between genes and environment, researchers can better explain how evolutionary processes and selective pressures have shaped the wide range of canine behaviors observed today. This perspective acknowledges not only genetic predispositions but also the role of early-life experiences, human-dog interactions, and cultural contexts in behavioral development.
Ultimately, this work calls for a broader, more inclusive approach to dog behavioral genetics, one that integrates evolutionary biology, genomics, and psychology. Such an approach holds promise for advancing both scientific understanding and practical applications in dog welfare, training, and human-animal interactions.
Source: Lord, K. A., Chen, F. L., & Karlsson, E. K. (2024). An Evolutionary Perspective on Dog Behavioral Genetics. Annual Review of Animal Biosciences.
