There is a dispute among poskim as to whether yichud is permissible between a parent and adopted child of the opposite gender over age 6 (?). Most poskim say no, but Rav Moshe is mattir.
There is a dispute among poskim as to whether yichud is permissible between a parent and adopted child of the opposite gender over age 6 (?). Most poskim say no, but Rav Moshe is mattir.