
Figure 1.
Variation of the CO rates on chromosome 4 of A. thaliana. The numbers refer to the intervals given in Supplemental Table 2. The dotted line represents the average CO rate on chromosome 4 (4.6 cM/Mb). A schematic representation of chromosome 4 of A. thaliana is aligned with the diagram. (Black box) NOR (nucleolar organizer region), (gray box) heterochromatic knob, (diamond-shaped box) centromere.











