Key questions as Britannia victor Biometric bids to follow up in Thoroughbred
Biometric (pink cap) denies a five-timer for Frankie Dettori on Turgenev (green)
Frankie Dettori was famously denied his five-timer at Royal Ascot by Biometric in the Britannia Stakes, and Khalid Abdullah's colt is back for more here.
Harry Bentley is again on board Biometric, whose form is not just all about Royal Ascot. He has been beaten only…