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Fig. 9 | BMC Bioinformatics

Fig. 9

From: An investigation of causes of false positive single nucleotide polymorphisms using simulated reads from a small eukaryote genome

Fig. 9

Tablet screenshots of read mismapping and ensuing FP SNPs. All screenshots show the same region on chromosome 1, which has been mapped with reads from the correct region on chromosome 1, but also reads from chromosome 2. FP SNPs are visible as vertical, red dotted lines. In this example, the 50 bp reads (top) introduce a small number of FP SNPs, the 300 bp (middle) reads introduce a substantially larger number, but in the mapping of the 1,000 bp reads (bottom) there are no FP SNPs, presumably indicating that the 1,000 bp reads from the contaminating region on chromosome 2 contain too many mismatches to be mapped here

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