It is not a mental illness as some people may think. People in the 70's put homosexuality in that category since it was different from what was accepted by society. People see homosexuals as perverts or child molestors. Just as many heterosexuals molest children as gay people, maybe more. I do not know why, but some people think being gay is a choice. It is most definitely not. It's heterosexuals who say this too, let me ask heterosexuals a question, if one day you decided to be homosexual, you may try it, but I highly doubt you will enjoy it, unless you discovered you are bisexual.
I believe theres now new evidence that indicates that homosexuality is due to the number of chromosomes someone has or something like that. Don't quote me on it, but that's what I heard.
No...people with downs syndrome have extra chromosomes. Last I heard, a genetic/biological cause has not yet been shown definitively, but there has been positive evidence supporting it. The cause of homosexuality isn't something as simple as a gene. It's likely the effect of several acting in harmony. This sort of system gets very messy when trying to research it.
However, finding a genetic cause is frankly quite irrelevant. Whether homosexuality is a choice or innate is no excuse either way for how society has immaturely dealt with it. The point is, homosexuality is consensual, and the actions
do not hurt anyone. Ignorant people often make the parallel to pedophilia and rape. These two behaviors
hurt people physically and mentally and thus are set apart from homosexual acts. If pedophilia was purely a choice, it would be considered negatively because of its negative effects on others. If pedophilia was shown to be genetic and passed down from generation to generation, it would
still be seen as an atrocious act, regardless. On the other hand, if you gave money to charity because of a conscious choice, your actions would be acceptable since they do not hurt anyone. If giving money to charity was hypothetically a genetically predetermined characteristic, it would
still be considered an acceptable behavior. Thus, whether a behavior is consciously chosen or marked in stone at birth is completely irrelevant. What matters is if the behavior you/your partner have
consensually exhibited hurts anyone else, which makes it acceptable or not in society.
Many people rely on the bible for backing up their ignorance for homosexuals. I don't want to bash anyones religion, but a book that was written a few thousand years ago, that could have been written by ANYONE is not going to save you in an argument about whether the sexuality of someone is right or wrong. I'm sorry, it's stupid to think it will.
It's not a sound argument either as one will have to resort to circular reasoning sooner or later-How do you know <book X> is the word and will of <god Y>? Because <god Y> inspired <book X> with divine veracity.