SNPEVG2 program GUI and chromosome graphs of SNPEVG2 and SNPEVG3. A: The user friendly GUI of SNPEVG2 offers user interactive viewing and graphing of global and local test results from multiple traits on the same graphs. B: The ‘Effect setting’ plate for the selection of traits to be displayed, the selection of Y1 or Y2 axis, and customized chromosome color for each trait. C: A chromosome graph with two threshold value lines for Y1 and Y2 axes, and elimination of P-values below the line of cut-off P-value line. D: Chromosome figure of SNPEVG3 with connecting line between adjacent data points. E: Chromosome figure of SNPEVG3 without connecting line between adjacent data points.