system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Conventional cytogenetics are difficult in solid tumors especially in case of carcinoma cervix -a) High mitotic rateb) Bacterial contamination of the specimenc) Good metaphase activityd)  Inadequate biopsy specimen
assistant
The correct answer is  None