EXHIBIT 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the Common Stock of Response Genetics, Inc., and that this Agreement be included as an Exhibit to such joint filing.

Each of the undersigned acknowledges that each shall be responsible for the timely filing of any statement (including amendments) on Schedule 13D, and for the completeness and accuracy of the information concerning him or it contained herein, but shall not be responsible for the completeness and accuracy of the information concerning the other persons making such filings, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

Dated: October 27, 2010

BECKER DRAPKIN MANAGEMENT, L.P.
By:	BC Advisors, LLC, its general partner
	By:	/s/ Ashley Sekimoto
		Name:  Ashley Sekimoto
		Title:  Attorney-in-Fact

BECKER DRAPKIN PARTNERS (QP), L.P.
By:	Becker Drapkin Management, L.P., its general partner
	By:	BC Advisors, LLC, its general partner

By:	/s/ Ashley Sekimoto
	Name:  Ashley Sekimoto
	Title:   Attorney-in-Fact

BECKER DRAPKIN PARTNERS, L.P.
By:	Becker Drapkin Management, L.P., its general partner
	By:	BC Advisors, LLC, its general partner

By:	/s/ Ashley Sekimoto
	Name:  Ashley Sekimoto
	Title:   Attorney-in-Fact

BC ADVISORS, LLC
By:	/s/ Ashley Sekimoto
	Name:	Ashley Sekimoto
	Title:	Attorney-in-Fact

STEVEN R. BECKER
By:	/s/ Ashley Sekimoto
	Name:	Ashley Sekimoto
	Title:	Attorney-in-Fact

MATTHEW A. DRAPKIN
By:	/s/ Ashley Sekimoto
	Name:	Ashley Sekimoto
	Title:	Attorney-in-Fact