The npr1 Mutant Has a Low Basal Level of Homologous Recombination.
Distribution of plants (y axis) by number of recombination spots (zero, one, two, three, or more) per plants (x axis). The inset shows the HRF in wild-type (wt) and npr1 plants as an average HRF ± sd of four biological repeats, with each experiment consisting of ~100 plants.