does science really approves there are only 2 gender?

No.12973703 ViewReplyOriginalReport
does science approves that there are more than 2 gender? there are many people who say that there are more than 2, of course biologically its impossible even after surgery i think but im not sure, i just want anwser from person who isnt really transphobic, so does non transphobic person think there are only 2 gender?