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The commandments to be found in the Torah are commonly distilled down into a list of 613, known as the Taryag Mitzvot. The list compiled by Maimonides, a great medieval philosopher and rabbi, is generally considered the most authentic

judaism. The Rabbis were and are the transmitters of the Oral Law, which is part of the Torah. It is also known as the Talmud (and commentaries). Rabbis are called upon to teach and explain Torah, and to determine halakhah (Torah law).

For a list of the most basic Jewish beliefs, see the attached Related Link.

It's mostly Orthodox rabbis who are multi-generational rabbis.

Rabbis are men. They do not get pregnant.