Australia should know Friday if cyclist Jobie Dajka has been kicked off the Olympic team for being untruthful and if Ben Kersten has finally cracked it for a spot as his replacement.

In a stunning twist to the ongoing cycling saga, it was revealed DNA evidence linked Dajka to allegations made by his disgraced former Australian Institute of Sport (AIS) teammate Mark French.

A report by Robert Anderson QC states that nine out of more than 200 articles in a sharps bucket found in Mark French's room at the AIS Del Monte facility in Adelaide revealed the DNA profile of Jobie Dajka.

Dajka told Anderson during the formal doping investigation that he had never injected in that room.

But Anderson says the DNA clearly shows that on some occasions he did, according to a joint statement released by the Australian Sports Commission (ASC), Cycling Australia (CA) and the Australian Olympic Committee (AOC).

To stay on the team, "Dajka will have to convince (AOC director of sport and operations) Craig Phillips that he was truthful to Anderson", AOC lawyer Simon Rofe said.

Phillips was expected to start interviewing Dajka at the track cycling team's base in Buettgen, Germany, late Thursday night Australian time.

"Any suggestion that athletes have not told the truth raises important and critical issues regarding their suitability to represent Australia and to receive financial and other support from the Australian government and their national sporting organisation," the joint statement said.

But there was no evidence that Dajka had injected any banned substances.

After the DNA was gleaned, the substances injected had deteriorated to the extent that it was impossible to ever tell what they were, the statement said.

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