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A2DS of perturbed SSC quad genotypes. Each dot represents a perturbed SSC quad with coerced sharing at one (red), two (green), three (blue), four (light blue), or five (black) loci. The vertical axis is the A2DS score of the perturbation. The dashed horizontal line is the observed A2DS score of the SSC quads. The other solid straight line is the least square fit to the dots. The projection of the intersect of these two lines onto the x axis occurs at a value of 8 × 105.
