All are associated with malignancy except: (A) Down's syndrome, (B) Bloom syndrome, (C) Fragile - X syndrome, (D) Fanconi's anaemia
Answer is C. Disorder
Tumour 


Down syndrome
AML M7, ALL


Bloom syndrome 
Leukemia, lymphma


Fanconi's anaemia 
Leukemia, myelodysplastic syndrome