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. 2015 Jun 18;11(6):e1005295. doi: 10.1371/journal.pgen.1005295

Fig 6. C. rubella × C. grandiflora hybrid seed incompatibility involves multiple genetic loci.

Fig 6

(A) Frequency of F2 plants derived from crosses of C. grandiflora × C. rubella producing defined rates of seed abortion when backcrossed to C. rubella maternal plants. (B) Theoretical distribution of F2 plants producing defined rates of seed abortion when assuming that one maternal locus from C. rubella negatively interacts with two or three paternal loci from C. grandiflora. Experimental data correspond to data shown in (A). Significance of the observed distributions with the predictions of the models has been tested by Chi-square and P>0.05 is marked by an asterisk. Ns, non significant. (C) LOD scores for paternal C. grandiflora QTLs affecting abortion of C. rubella × C. grandiflora hybrid seeds. The purple line (top) represents the LOD score of each marker and the purple line (bottom) represents the effects. The red line represents the significance threshold as estimated by 1,000 permutations.