None. Homosexuality did not originate anywhere, it's simply part of how people and many animals are and always has been.
The term homosexuality originated in Germany in 1869 in a pamphlet that was distributed in efforts to repeal the German sodomy law.
Homosexuality existed before civilization.
Homosexuality originates in the brain, as do all sexual orientations. So it's not a stretch to think there is a connection to brain chemistry.
In which country did the Bellini originate?
what country did the zero symbol originate from?
They originate from Germany.
Spaghetti originate from Italy
Lemon squares are believed to have originated in the United States. The exact origins are unclear, but they are a popular dessert in American cuisine.
It depends on what country you are talking about, but in most of Europe, Australia/NZ and the Americas, homosexuality is recognized as a natural sexual orientation.
Germany
Banan Peze originate from Haiti
The country of Canada!