>>53070251I'm not sure. It might take the gender of either the body or the head when you make your own fusions, but I think wild fusions are always genderless.
On that note, my first team had a wild-caught Fusion Pokemon with Cute Charm, but because it was also genderless, the Ability failed all the time. I tried changing it with an Ability Capsule, but even though it says the Ability changed, it doesn't actually change. Must be a glitch.
