Determining whether a particular, complex set of human behaviours is
genetically or socially determined is a very difficult matter. In all
likelihood, all human behaviour is the result of a complex interaction between
genetic/biological and social factors. I put ‘genetic/biological’, rather than
simply genetic, because it is likely that behaviour is influenced by biological
factors other than particular genes.
The debate over whether sexual orientation is genetically determined is
politically and emotionally charged, and research into it is unlikely to be entirely
‘objective’. Many of those of a religious persuasion who are opposed to homosexuality
would like it to be demonstrated that a homosexual lifestyle is a matter of choice rather than genetically
determined. Of course, in a sense they will always be correct: it will always
be possible (but not necessarily desirable) for someone with a homosexual
orientation to choose celibacy. Many within the homosexual community would
prefer it to be demonstrated that a homosexual orientation has a genetic
basis, as this would strengthen equal rights arguments.
My personal opinion is that it is unlikely that the debate over the
genetic origin of sexual orientation will ever be fully resolved and that, in
fact, as with all human behaviour, the situation is far more complicated than
an either/or option. I also think it likely that there is an entire spectrum of
sexual orientation and that few people are 100% gay or 100% straight.
Many of those who are in favour of gay rights seem to prefer the ‘genetic’
over the ‘choice’ model for sexual orientation. They seem to think that by
showing that sexual orientation has a genetic or biological origin they have lifted
it out of the moral sphere. I have even heard gay people say things like: ‘I
can’t help it; I was born that way.’ I find this kind of thinking odd, and a
little disturbing. Are they implying that if it were a choice, it would be
immoral? Is the only argument against those who consider homosexual behaviour
to be immoral to remove it from the realm of moral choice by claiming that it
is innate? Is that not, at some level, to concede the argument?
Surely the correct argument against those who claim that homosexual
behaviour is immoral is to argue that it is moral, rather than that it is
amoral. Even if there is some genetic influence on sexual orientation, I think
it unlikely that choice can be entirely eliminated, even if it is only the
choice to express that behaviour. Why not stand proud and say: ‘I choose to
live this way’; and perhaps even: ‘I choose to be this way, and there is nothing wrong with that choice. It is not
an amoral choice. It is an equally valid moral choice.’ Then we can begin a
dialogue, not only about the need for people who are gay to have the same
rights as those who are not, but about the right to be gay.
You really made me think with this post. Like you, I doubt there will come an enlightened moment when mankind accepts the answer to be choice or genetic/biological or whatever. It's too bad that anyone even feels we need an answer.
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