The Allelic Frequencies of the VDR FokI (F and f), BsmI (B and b), ApaI (A and a) and TaqαI (T and t), the CYP 17 Gene MspA1I (A1 and A2) and the SRD5A2 Gene TA Repeats (0 and 9 repeats) among the Controls and Patients with PCa. The gene discussed is VDR; the disease is posterior cortical atrophy.