In a new paper, researchers analysed the genomes of more than 1,300 golden retrievers and matched them with detailed behaviour reports provided by owners.
These reports, collected through the long-running Golden Retriever Lifetime Study, describe how each dog responds to everyday situations such as meeting strangers, hearing loud noises, staying home alone, and encountering other dogs.
A Shared Foundation for Emotion
By comparing genetic markers across the dogs, researchers identified 21 regions of DNA tied to traits such as fearfulness, aggression, trainability, touch sensitivity, and energy levels.
What stood out was the overlap with people. Many of the same genes that contribute to sensitive or reactive dogs also appear in human studies of worry, irritability, cognitive performance, and major…
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