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Two-thirds of dogs, including chihuahuas, have wolf DNA, U.S. scientists say
Nearly two-thirds of modern dog breeds carry low levels of wolf DNA influencing traits like size, scent detection, and behavior, according to US-led genomic research.
- Dogs evolved from an extinct population of gray wolves under human influences around 20,000 years ago.
- Over 64% of modern dog breeds have wolf ancestry, with tiny chihuahuas carrying around 0.2% wolf DNA and Czechoslovakian and Saarloos wolfdogs having up to 40% wolf DNA.
- Breeds with little or no wolf DNA were more likely to be described as friendly and affectionate, while those with more wolf DNA were often considered suspicious of strangers and independent.
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38 Articles
38 Articles
The wolf genes helped the dogs adapt to different conditions.
They share a small amount of common genetic heritage with wild animals.
·Paris, France
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Your dog’s DNA has secrets — and yes, some of them involve wolves
Explore the groundbreaking advancements in canine genetics over the last two decades, from sequencing Tasha's genome to uncovering wolf DNA in modern dog breeds, offering valuable insights into the complex world of dog genomics.
·San Francisco, United States
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Beware of the adorable little dogs walking around the street: they have wolves in them! Scientists have discovered that nearly two thirds of the dog breeds had detectable amounts of DNA from their wild cousins.
·Montreal, Canada
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Coverage Details
Total News Sources38
Leaning Left8Leaning Right9Center10Last UpdatedBias Distribution37% Center
Bias Distribution
- 37% of the sources are Center
37% Center
L 30%
C 37%
R 33%
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