We did some research when I was in college (in the very conservative South) and found 6 total admonishments against acts that could be interpreted as homosexual. But then we found 211 admonishments against various heterosexual acts. You can guess which list the evangelicals conveniently ignore.
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One of the verses condemning homosexuality in the New Testament uses a term that can be translated as referring to male children rather than adult men, which in cultural context, would make sense given the dominant regional culture at the time featuring a lot of pederasty. However, the Old Testament verse condemning it, and the other New Testament verse are more direct.