Why Do Dog DNA Tests Fail to Reveal Their True Personalities?

Many pet owners turn to commercial DNA tests, hoping to uncover insights into their dog’s personality or behavior. However, recent scientific research suggests these tests offer limited, if any, reliable information.

A study conducted by a team of geneticists analyzed data from over 3,200 dogs and found no significant link between common genetic variants and behavioral traits. Despite the marketing claims of popular at-home tests that promise to reveal whether a dog is prone to anxiety or enjoys cuddling, scientific evidence does not support these predictions.

According to Dr. Kathryn Lord, a leading genomics expert from the University of Massachusetts, “current behavioral DNA tests for dogs lack validation and accuracy. The idea that a few genetic markers can determine complex personality traits is overly simplistic.”

This research highlights the complexity of canine behavior, which is influenced by a multitude of factors beyond genetics, including environment, training, and social interactions. So, while genetics can provide some insights, they are not the full story of your dog’s unique personality.

For dog owners curious about their pet’s behavior, focusing on consistent training and socialization remains the most effective approach—biding by science rather than relying on unproven DNA tests.

David Nield
David Nield

Dave is a freelance tech journalist with over 20 years covering gadgets, apps, and the web. From Stockport, England, he covers news, features, and reviews for TechRadar, focusing on phones, tablets, and wearables. He ensures top weekend breaking news and has bylines at Gizmodo, T3, PopSci, and others. He edited PC Explorer and The Hardware Handbook for years. Read me on x.com or linkedin.