Was Elton John a gay fron birth or when did he publicly declared being gay

Some studies have shown that people who are gay were conceived that way. You see when you are being formed from all zygotes are females and then they receive the extra chromosome that make them male. Elton John may have just been ashamed or confuse while growing up which led him to experiment with woman and then decide that he wanted to try it with men. I think he was married too. Hey it happens.