This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification, Subject name: Forensic Medicine
[{'content': 'In a female,basi-occiput fuses with basi-sphenoid at the age of \nSelect and explain. \nA. 20 years, B. 23 years, C. 27 years, D. 17 years', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Basal suture: the basiocciput fuses with basisphenoid by about 18- 22 years in females and 19- 24 years in males. Metopic suture: closes from 2-8 years. In some cases, the metopic suture will not close and may be associated with other congenital anomalies like hydrocephalus and meningocele with asymmetry of fingers which is called Metopic syndrome. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr. PC IGNATIUS PAGE NO: 86', 'role': 'assistant'}]