Yes, our little cocker spaniel puppy brings us lots of joy. But plenty of stress, too, it has to be said. “She’s just a puppy, she’ll grow out of that”, I’m forever being told… Some people seem to take to dog ownership easier than others. But why? Here’s something to add to the on-going nature/nurture debate.
Our love for dogs may be coded in our DNA
While this kind of twin study can’t tell us exactly which genes are involved, they do demonstrate for the first time that genetics and environment play about equal roles in determining dog ownership. The lead author Tove Fall commented, “We were surprised to see that a person’s genetic makeup appears to be a significant influence in whether they own a dog.” She then went on to suggest that some genetically determined personality factors might underlie this when she speculated, “Perhaps some people have a higher innate propensity to care for a pet than others.”