Ngokomgaqo wokudityaniswa kokudityaniswa kweziseko ze-DNA, i-20q12 (D20S108) i-orenji probe kunye ne-20q33.3 ye-green probe isetyenziselwe ukuxubanisa ngolandelelwano lwethagethi ye-DNA kwinucleus, kunye nolwazi lwesimo sofuzo kwinucleus lwajongwa lwaza lwahlalutywa phantsi kwe-fluorescence microscope.