This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Defect in any of the following may result in renal agenesis except \nSelect and explain. \nA. Nephrogenic bud, B. Ureteric bud, C. Blastoma of nephrogenic tissue, D. Failure of descent of nephrogenic tissue of lumbar area', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Development of Kidney: Secretory pa of kidney:derived from metanephrons/metanephric blastyma Collecting pa of kidney:derived from ureteric bud', 'role': 'assistant'}]