The question can’t be easily answered. Yes, we can put a large number of bis into the category of gay but not ready to admit. And then there are those who just experiment, which can be removed from the statistic.

The question would fall on the adult person who has had; for example, X serious relationships with same sex, X serious relationships with other sex.

Too often one find the serious relationships are either hetero or homo; which would suggest the person is either gay or straight; while the frivolous relationships are with the other;

If sexuality is predetermined, then if you can be born to like the opposite sex, or born to like the same sex, then you can surely also be born to like both. While chromosomes determine gender (XX = Female, XY=Male) and present an either/or scenario, a gene can have multiple outcomes: We aren’t limited to 2 eye colours, hair colours etc, so why would sexuality be an either/or scenario rather than genetic.

If sexuality is not predetermined, then if your upbringing nurtured/conditioned you into attraction to the same sex or into attraction to the opposite sex, then it can also surely nurture you into attraction to both.

Either nature or nurture could be the case, or a combination of both, but neither option precludes bisexuality.

In response to one of the other posts above… some people who admit to being bisexual are gay but not yet prepared to admit it (to themselves or to others). Others are essentially straight, but have tried and not regretted, so don’t deny it. Others are genuinely attracted to both men and women physically. To others, the physical is meaningless – they are attracted to the mind first and then they accept the person whether the same or different sex.

I think you are right, Eric, but there are others who
would dispute the point.

There are no easy answers.

So far there is no ‘gay gene’ so far there is no
evidence of ‘hard wiring’, hence choice seems to
be the ‘correct’ assumption.

However, if one is bisexual, would that mean they
have made no choice…’yet?’….

So it’s a very open topic…

If one is ‘born’ homosexual or heterosexual, then to be
‘bixexual’ would toss those theories through the window
and claim it is ‘choice’.

This would then make any search for the ‘gay’ gene, or
the ‘nurture/nature’ debate pointless.

This tenant of Freud has been discarded, as many people
esp. homosexuals, will often announce; “I did not chose
to be this way.”

Homosexuals also aver that persons who claim to be ‘bi’
have not as yet fully ‘come out’.

If there is a ‘biological’ basis for sexuality,
obviously there is some kind of ‘on/off’ switch.
If there is not a biological basis…?

The debate must continue.

As the current ‘theories’ of sexuality suggest that
one is ‘born’ not ‘made’ homosexual, (yes this is
widely disputed) bisexuality would add another question
to the rickety equasion.

What I found so remarkable on two separate Ophra programs
was the female who had been a lesbian, decided she was
male, had her breasts remored, took testosterone, and
was living as a man, and went to a gay bar and engaged
in sex with homosexuals.

The other was this ‘transgender’ who had been a Hawaiian
beauty queen, became a lesbian, then took testosterone,
married a woman, then became pregnant.

This is the ‘man who is pregnant’ individual.

So this just compounds the issue even further.

Previously transsexuals would eschew the sex they
were born and claim they were in the ‘wrong’ body
and once the operation was complete, would live
their lives as ‘full members’ of that other sex,
so that the operation would have been complete,
the male removing all forms of his sexuality, the
born female having all of her ‘plumbing’ removed.

This back and forth brings the entire contemplation
of sexuality back to the dissection table, for
everyone can not be right.