>>187978
There are many generic traits that frequently travel together, this was demonstrated in the russian silver fox experiments, they bred selectively only on the basis of docility, but as they became more tame they had also developed the physical and behavioral traits we were used to seeing in domestic dogs. The opposite occurred in those bred for aggression, the features associated with ferality were more pronounced as they became more hostile.
Appearance matters a lot more than people would like to admit.