Question: A healthy couple has an 8-year-old daughter with hepatosplenomegaly. The laboratory of biochemical genetics has detected in it a deficiency of the acid beta-glucosidase enzyme (glucocerebrosidase) and molecularly presents the mutation N370S in homozygosis. Which diagnosis is correct? 
 Options:  <1> Fabry disease (Xq22.1). <2> Huntington's disease (4p16.3). <3> Autosomal dominant cerebellar ataxia SCA1 (6p22.3). <4> Adrenoleukodystrophy (Xq28). <5> Gaucher disease (1q22).
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