Who is a Jew?

Am I Jewish? Matrilineal versus Patrilineal Descent
Are you Jewish? Does Jewish identity come from the mother or father or both?

Who is a Jew? Matrilineal or Patrilineal Descent
What is the source of the law of matrilineal descent in Judaism? Why have some branches of Judaism adopted patrilineal descent too?

Who is a Jew? The Conversion Controversy
Are those who go through an orthodox conversion to Judaism considered to be "more Jewish" than those who go through an alternative process of conversion?