Genetic risk factors for leukemia are all except:: (A) Down's syndrome, (B) Bloom syndrome, (C) Ataxia telangiectasia, (D) Turner's syndrome
Answer is D. d. Turner's syndrome(Ref: Nelson's 20/e p 2442-2444)Genetic conditions predisposing to leukemia* Down syndrome* Diamond-Blackfan anemia* Turner syndrome (least associated)* Fanconi syndrome* Klinefelter syndrome* Neurofibromatosis type 1* Ataxia - telangiectasia* Severe combined immune deficiency* Bloom syndrome* Schwachman syndrome* Paroxysmal nocturnal hemoglobinuria* Li-Fraumani syndromeNote: All the given conditions are risk factors for leukemia. Out of them Turner syndrome is least associated with leukemia.