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Table 2 Statistics for SNPs based on the two different methods

From: SNP-based genetic linkage map of tobacco (Nicotiana tabacum L.) using next-generation RAD sequencing

Method of SNPcalling Raw SNPs Clean SNPs χ 2 < 15
DISRa 181,770 7457 3282
Based on reference genome 7,343,419 8664 5286
  1. Shown are the number of raw SNPs, the number of SNPs remained after filtering and the number of SNPs by a Chi square test
  2. aDe novo identification of SNP by RAD-seq