EXHIBIT 23.7

                                                               December 12, 2002

                                    CONSENT
                                       OF
                         BANC OF AMERICA SECURITIES LLC

Board of Directors
Hyseq, Inc.
670 Almanor Avenue
Sunnyvale, California  94085

Members of the Board:


We hereby consent to the inclusion of (i) our opinion letter, dated November 9,
2002, to the Board of Directors of Hyseq, Inc. (the "Company") as Annex C to
Amendment No. 1 of the Registration Statement of the Company on Form S-4 (the
"Registration Statement") relating to the proposed merger involving the Company
and Variagenics, and (ii) references made to our firm and such opinion in the
Registration Statement under the captions entitled "SUMMARY - Opinions of
Financial Advisors - Hyseq," "THE MERGER - Background of the Merger," "THE
MERGER - Reasons for the Merger - Hyseq" and "THE MERGER -- Opinion of Financial
Advisor - Hyseq." In giving such consent, we do not admit that we come within
the category of persons whose consent is required under, nor do we admit that we
are "experts" for purposes of, the Securities Act of 1933, as amended, and the
rules and regulations promulgated thereunder.



By: /s/ Banc of America Securities LLC

BANC OF AMERICA SECURITIES LLC