This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parathyroid and adrenal glands, Subject name: Surgery
In renal agenesis, the adrenal gland is: 
Select and explain. 
A. Absent, B. Present on contralateral side, C. Ectopic in the iliac fossa, D. Present at the usual location
D: Present at the usual location
Answer: D: Present at the usual location 
Explanation: Embryological development of kidneys and adrenal is different, hence even in renal agenesis, adrenal glands will be in normal position.