Women competing at the World Athletics Championships in Tokyo in September will have to undergo an SRY gene test before competing. But the professor that discovered the relevant gene has concerns that thew policy is misguided.

Guest: Professor Andrew Sinclair, Deputy Director of the Murdoch Children's Research Institute and Professorial Fellow, translational Genomics

Article in The Conversation: World Athletics' mandatory genetic test for women athletes is misguided. I should know - I discovered the relevant gene in 1990