This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Pediatrics
Genes responsible for beta thalassemia are located on which chromosome? 
Select and explain. 
A. Chromosome 7, B. Chromosome 11, C. Chromosome 16, D. Chromosome 18
B: Chromosome 11
Answer: B: Chromosome 11 
Explanation: Ans. b (Chromosome 11). (Ref. Harrison's medicine 16th ed., 370, 594)CHROMOSOME NO.ASSOCIATED DISEASE (S)Chromosome 1.presenilin 2 mutation (Alzheimer's)Chromosome 3 (3P)VHLChromosome 4Huntington's diseaseChromosome 5Familial adenomatous PolyposisCridu-Chat syndromeChromosome 6HLAChromosome 7Cystic fibrosisChromosome 11Wilm's tumorBeta thalassemiaAlzheimer's diseaseChrosome 4&16ADPKDChromosome 16Alpha thalassemiaLong arm of 17NF-1Chromosome 22NF-2