Are LGBT people really born that way or shaped by sin and trauma?

At first I didn't believe so, I thought everyone was just conditioned or traumatized. However i realized that not everyone starts off with a clean slate. Just like DNA is passed down, Rh, trauma and mutation, so can other stuff. I was born into a Christian household and we believe that what they're doing is sin. My stance is: it's fine to love the same gender, 2 people of the same gender can raise a child, even kissing the one you love to show affection is fine None of the stuff above contradicts the Bible.
What's sin is saying that the only marriage between a man and a woman isn't valid, having sexual activities with the same sex which isn't natural and trying to emulate the other gender. All of that is confusion and isn't even supported by our biological makeup. Gender is a social construct. Gender is what ever you want it to be , you dont even need one if you choose. It went from 4 to about 30 different groups under that community. I don't agree. Man is a male HUMAN & Woman is a female HUMAN not a female bird or female screw. Which brings me back to the Bible Their were hybrids in the time of Noah Part human, part demon, and they were sinful in the sight of God. Are their still more offspring repopulating? Are some people cursed like the House of Eli. We all don't start off clean anyway we were born into sin. God said if his word was hidden, then it was hidden from those who are lost. Is he talking about hybrid and cursed descendants? Just like the son inherited things, are people actually born to be more smitten by the same gender. Jesus accepts that he's a hybrid too, Son of man and Son of God whereas people that accept Christ are given child of God through adoption.
Are LGBT people really born that way or shaped by sin and trauma?
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