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SDRs identified on chromosomes 1 and 8. For each marker, dashed lines indicate the ratio of B73/Mo17 alleles and solid lines indicate the −log10(P-values of χ2 test for a 1:1 allele ratio). Horizontal bars indicate B73-predominant and Mo17-predominant (open) SDRs, respectively. The positions that genetic markers used to identify flowering-time QTL are shown along with the QTL confidence intervals (Chardon et al. 2004).
