Exhibit 15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form F-3 (No. 333-237152) of Genetic Technologies Limited of our report dated August 31, 2021 relating to the financial statements, which appears in this Form 20-F.

/s/ Grant Thornton Audit Pty Ltd

Melbourne, Australia

August 31, 2021