(a) An order issued under this part granting the petition:
(1) terminates the relationship of parent and child between the respondent and the minor;
(2) extinguishes any right the respondent had to withhold consent to a proposed adoption of the minor or to further notice of a proceeding for adoption; and
(3) is a final order for purposes of appeal.
(b) An order issued under this part granting the petition shall not terminate an obligation for arrearages of child support.