Page "Christianity and Judaism" Paragraph 26

Christians explain that such selectivity is based on rulings made by early Jewish Christians in the Book of Acts, at the Council of Jerusalem, that, while believing gentiles did not need to fully convert to Judaism, they should follow some aspects of Torah like avoiding idolatry and fornication and blood, including, according to some interpretations, homosexuality.

This view is also reflected by modern Judaism, in that Righteous Gentiles needn't convert to Judaism and need to observe only the Noahide Laws, which also contain prohibitions against idolatry and fornication and blood.