Fig. 1

Gene mapping and Silver stained PAGE (6%). a XRCC5 (KU80) - 3R/2R/1R/0R VNTR polymorphism. b XRCC6 (KU70) – 61C/G. c XRCC7 (PRKDC) – G/T6721G/T. Ladder in Fig. a & c: ɸX174 HinfI digest (Banglore Genei India Pvt. Ltd.); ladder used in Fig. b: DNA molecular weight marker VIII (Roche diagnostic Gmbh, Germany)