Different questions. The answer to the first is 'no' and to the second 'yes'. It is a reality that some people feel a different gender to their genitals & science is making great strides in telling us why. People are allowed to have whatever feelings they want. https://twitter.com/MeshGraphics/status/959798563747368960 …
There are many scientific facts which explain the biological basis of homosexuality. Here is an excellent summary by @elivieira tho much more has probably been discovered by now.https://www.youtube.com/watch?v=3wx3fdnOEos&t=585s …