09/04/2026
Dog genetics can be fascinating. Exhibit A... Churro!
Take a close look at this face. If you guessed Churro was part German Shepherd or Husky, you might only be getting a fraction of the story! Dog genetics are wild, and they don't always work the way we think.
Here are two mind-blowing facts about dog DNA that explain why our furry friends look and act the way they do:
1️⃣ One litter can have multiple fathers! Yes, really. It’s a natural phenomenon called superfecundation. Because female dogs release multiple eggs over their fertile period, if she mates with more than one male, different fathers can sire different puppies in the exact same litter. This is why littermates can look like entirely different breeds!
2️⃣ The "Low Percentage, High Personality" effect. A dog can inherit a tiny percentage of a specific breed (say, just 10% Chihuahua or German Shepherd) but look exactly like one or have its exact temperament. Why? Because a very small handful of genes control physical traits like ear shape, coat type, and size—and if those specific genes are dominant, they overpower everything else!
Swipe to see Churro’s official results! Were you surprised? Let us know what breed traits you see in him below! 👇