Link to the paper in Science: Ancestry-inclusive dog genomics challenges popular breed stereotypes.
Environment and socialization remain the largest determining factor.
Unsurprisingly, most stereotypes about dog breeds are pseudoscience that come from the eugenics movement. In particular, “popular knowledge” around pitbulls and bulldogs is just thinly veiled racism.
interview on the study from the verge: https://www.theverge.com/2022/4/28/23043508/dog-breed-behavior-genetics-study-stereotypes
The research did find some genes associated with traits like human sociability and howling frequency. But overall, only around 9 percent of dog behavior was explained by breed.
“Dogs are individuals,” said Marjie Alonso, a study author and executive director of the International Association of Animal Behavior Consultants. “What a dog looks like is not really going to tell you what the dog acts like.”
Edit: modern “purebred” breeding literally came from eugenicists, that’s why this old political cartoon even exists. Documentary on pedigree dogs and their many issues: https://vimeo.com/166015460
How has America become so fucked that dog breed bans become racist, Christ that country is cursed. Seriously, I'm reading that article all all I can think is "death to America"
Big cities in China and Africa manage to do dog breed bans without being a bunch of racists, my word someone pls help the USA, the brainworms are too strong.