Research

Scientists discover hidden wolf DNA in most dogs

By ScienceDaily Staff• November 19, 2025• 3 min read

Updated ago

Scientists discover hidden wolf DNA in most dogs

Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient genetic influence shows up in traits like body size, behavior, and environmental resilience. Even dogs bred far from wolves, including tiny chihuahuas, carry detectable wolf ancestry. The findings highlight how deeply intertwined the histories of dogs and wolves really are.

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About the Author

ScienceDaily Staff

Rachel Havons is a science journalist specializing in biotechnology and wellness innovation. With over a decade of experience covering pharmaceutical research and consumer health products, she brings a critical eye to emerging technologies in the wellness space.

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