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: Surgery
Genetic alteration in which of the following chromosome can lead to oligodendroglioma? 
Select and explain. 
A. Chromosome 3p, B. Chromosome 9q, C. Chromosome 13q, D. Chromosome 19q
D: Chromosome 19q
Answer: D: Chromosome 19q 
Explanation: Loss of heterozygosity in chromosome 19q > 1p is the most common genetic alteration that can result in oligodendroglioma.