The centre-back, having made a superb double goal-line clearance, was forced off at half-time in Friday night's 1-1 draw against Rochdale after sustaining a bout of concussion.
Should Prosser be deemed not ready to face the Dons then Mark Phillips, who came on in his place at the interval, is likely to start.
Long-term absentee Julian Bennett remains the only other player in the treatment room as he continues his rehabilitation from a knee injury.
- Sports & Recreation
- Mark Phillips