I had a DNA test done, We match on these markers, D8s1179, Fga, Vwa, D7s820, Fesfps, penta E, lpl, f13B, f13a01, Penta D, D16s539, D13s317, D5S818...The lab said that had to test over 20 markers cuase they could NOT read some of the main makers due to they could NOT read them. When the 13 markers we match on does that prove or disprove Paternity. To me they kept on testing until they found markers that did NOT match.