I’ve had quite a few in my save. There’s Tyler Patel; a lovely MtF who married Greyson Dove who happened to be FtM (he passed away a while ago.) There’s also a good family friend Ariana Rosado, Natali...
Yes! I love that they did the gender options to make this a possibility and make the game more flexible. I've also been able to play asexual Sims this way.