Figure 1

Indels on the left arm of chromosome II in twelve natural isolates of C. elegans. Deletions unique to a strain are plotted in grey and deletions found in multiple strains are plotted in black. Amplified sequences present in only one strain are shown in orange and those found in multiple strains are shown in red. The actual position of amplified sequences in the genome is unknown. The position of amplifications shown here corresponds to the position of the single copy of that sequence in the N2 reference genome. Small indels are not shown to scale. The blue arrows indicate the site of a possible recombination event. KR314 shares alleles with CB4853 and CB4858 to the right of the arrows but not to the left.