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: Ophthalmology
Retinoblastoma arises from: 
Select and explain. 
A. Layer of rods and cones, B. Layer of bipolar cells, C. Ganglion cells layers, D. Any nucleated retinal layer
D: Any nucleated retinal layer
Answer: D: Any nucleated retinal layer 
Explanation: Ans. Any nucleated retinal layer