All of the following are X - linked except -: (A) G - 6 PD deficiency, (B) Hemophilia A, (C) Von - willebrand's disease, (D) Fragile X syndrome
Answer is C. X - linked diseases -

Hemophilia A   
Androgen insensitivity
Hemophilia B 
Duchenne and Becker muscular dystrophy
G-6 PD deficiency
Fragile X syndrome
Nephrogenic diabetes insipidus
Adreno leukodystrophy
Menkes syndrome 
Spinobulbar muscular atrophy