Gender fluidity in children is only in the early stages of study. No results are known as of 2017.
No. Bisexual, gay, and lesbian are sexual orientations, not genders.
gay or lesbian
There is no age limit. Some know that they are gay from a very early age (3 for instance) some don't realize until they are young adults. It may be obvious to you from a young age or much older.
No. Gay and lesbian are sexual orientations. Genders are things like male, female, or intersex.
One cannot be a guy and a lesbian. There is also no "reason" to be a certain gender, sex or sexuality, it just is.
Why not? 'Cause if you are the same gender as your love, it means that you are either a lesbian, or a gay.
It's best to be yourself no matter your gender preference.
Of course not. Many believe you are born gay. Just because you play with dolls means nothing. Try switching gender roles "Will girls who play sports become lesbian?" It doesn't make sense.
Being sexually and romantically interested in persons of the same gender as your self, and not the other gender. Otherwise, there are no distinguishing characteristics.
Straight (hetero): Attracted to the opposite sex/gender Gay/Lesbian (homo): Attracted to the same sex/gender
By definition, a lesbian is a female. There may be some males who think or feel they are or were meant to be female and in their minds think of themselves as lesbian, but it is only in their minds, no one else is going to look at it that way.
No.