**Exhibit 12.01**

 

**SARBANES-OXLEY SECTION 302(a) CERTIFICATION**

 

I, Dr. PaulDonald Richard MacLeman, certify that:

 

1.             I have reviewed this annual report on Form 20-Fof Genetic Technologies Limited;

 

2.             Based on my knowledge, this report doesnot contain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3.             Based on my knowledge, the financialstatements, and other financial information included in this report, fairlypresent in all material respects the financial condition, results of operationsand cash flows of the company as of, and for, the periods presented in thisreport;

 

4.             I am responsible for establishing andmaintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the company and have:

 

(a)   Designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to thecompany, including its consolidated subsidiaries, is made known to us by otherswithin those entities, particularly during the period in which this report isbeing prepared;

 

(b)   Designed such internal control over financialreporting, or caused such internal control over financial reporting to bedesigned under our supervision, to provide reasonable assurance regarding thereliability of financial reporting and the preparation of financial statementsfor external purposes in accordance with generally accepted accountingprinciples;

 

(c)   Evaluated the effectiveness of thecompany’s disclosure controls and procedures and presented in this report ourconclusions about the effectiveness of the disclosure controls and procedures,as of the end of the period covered by this report based on such evaluation;and

 

(d)   Disclosed in this report any change inthe company’s internal control over financial reporting that occurred duringthe period covered by the annual report that has materially affected, or isreasonably likely to materially affect the company’s internal control overfinancial reporting; and

 

5.             I have disclosed, based on our most recent evaluationof internal control over financial reporting, to the company’s auditors and theaudit committee of the company’s board of directors (or persons performing theequivalent functions):

 

(a)   All significant deficiencies and material weaknessesin the design or operation of internal control over financial reporting whichare reasonably likely to adversely affect the company’s ability to record,process, summarize and report financial information; and

 

(b)   Any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in the company’sinternal control over financial reporting.

 

 
| Date: December 24,  2009 |                         |
|-------------------------------|------------------------------|
|                          | /s/  Paul D.R. MacLeman      |
|                          | Dr. Paul D.R.  MacLeman |
|                          | Chief Executive Officer      |

 

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