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. 2012 Mar;22(3):508–518. doi: 10.1101/gr.127522.111

Figure 6.

Figure 6.

Properties of COs and NCOs in Arabidopsis. (A) The minimal (red) and maximal (blue) lengths of detected CO-associated conversion tracts from the first meiosis (left) and the second meiosis (right). The maximal length is the distance between two closest SNPs in unchanged regions flanking CO. The minimal length refers to the region having multiple 3:1 converted SNPs (one of the chromatids having a converted allele). In either the first or the second meiosis, there are two COs containing multiple converted SNPs, with maximal lengths ranging from ∼500 to ∼3000 bp. The red asterisks at the top of two bars indicate that the corresponding COs each had a 1-bp GC. In the second meiosis, CO-1 is not displayed here because it occurred in a large region without SNPs, making the position of CO-1 uncertain. (B) Predicted cumulative length of uncovered regions changes with possible length of NCO. NCO can only be detected if it covers at least one SNP, but is invisible between two adjacent SNPs. The predicted cumulative length of uncovered regions increases significantly when the length of NCO diminishes. Two blue stars show previously reported median NCO tract length from yeast (1.8 Kb) and human (156 bp).