Figure 1.

Box and whisker plots of mSNP density per kilobase in the 1-16 Mb of sequence flanking clusters of piRNA elements (white) compared to the average genome mSNP density (gray). Level of significance calculated by Welch's t-test are marked with asterisks (P > 5·10-2[NS], P < 5·10-2[*], P < 5·10-4[**], P < 5·10-6[***]). There were significantly more mSNPs flanking piRNA clusters for flank sizes of 1-16 Mb.

Sigurdsson et al. BMC Genetics 2012 13:31   doi:10.1186/1471-2156-13-31
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