>>44669107people don't always stick to laws, besides maybe the pokemon just raped them.
you can't actually tell if the father is a pokemon, as maybe lets take sabrina as an example learned her psychic abilities through chain breeding, with her possibly human father also knowing psychic abilities. but you can say that those with superhuman abilities like psychics must have at least one non human ancestor.
in the pokemon games there are a lot of psychics, I don't think they discriminate against them.
I also think firebreathers have fire pokemon blood in them.
