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Figure 2 | BMC Genomics

Figure 2

From: A bi-filtering method for processing single nucleotide polymorphism array data improves the quality of genetic map and accuracy of quantitative trait locus mapping in doubled haploid populations of polyploid Brassica napus

Figure 2

Schematic diagram of a two-dimensional matrix for analyzing monomorphic single nucleotide polymorphisms (SNPs) in the HJ-DH population. The matrix lists the genotypes of each SNP locus in all doubled haploid (DH) lines horizontally and the genotypes of each DH line in all SNP loci vertically. The blank and black squares represent the parental genotype and non-parental genotype in the population, respectively. The PNPG_SNP and PNPG_DH are calculated by the formulas as described in the Results and Discussion section.

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