Tch. [She's going to keep explaining despite his being SO RUDE, because, uh. Well. She likes showing off how smart she is too much to not keep going.] We weren't in Alola long enough for me to get too deep into the specifics, but I'm pretty sure that doesn't matter. They breed between species all the time... all it would take is another Pokemon that shares something called an "egg group" with her. And there's probably more Pokemon around that fit that requirement than you realize.