This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Lumbar hemiveebra results due to the abnormal development of: \nSelect and explain. \nA. Dorsal sclerotome, B. Intermediate cell mass, C. Notocord, D. Ventral sclerotome', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Ventral Sclerotome', 'role': 'assistant'}]