The answer is both no and yes.Matthew 18:3 - If children are innately sinful, then we would have to be sinful to enter heaven.Ezekiel 18:1-3Passages where the word speaks of an innate natureRomans 1:26 - Homosexuality is not the innate nature of man.Romans 2:27 - Man is physically uncircumcised by nature.Romans 11:24Galatians 2:15Galatians 4:8Hebrews 2:16No, we are not innately sinful.Passages where the word speaks of an acquired natureRomans 2:14I Corinthians 11:14 - Corinthian custom showed men with long hair. Custom was not the only reason it was wrong, though (see I Corinthians 11:7).Ephesians 2:3 - They didn’t have to live like the world. They chose it.II Peter 1:4Yes, we can acquire a sinful state.The answer to the original question depends on the context. Man chooses whether to sin or not. We can choose to sin by an acquired sinful nature.