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Table 4 Numbers of SNPs able to discriminate between each pair of groups of species

From: Development of a highly efficient Axiom™ 70 K SNP array for Pyrus and evaluation for high-density mapping and germplasm characterization

Robust PHR

Communis

Group 1

Group 2

Group 3

Group 4

Communis

 Group 1

0

    

 Group 2

1022

626

   

 Group 3

22,929

21,571

19,111

  

 Group 4

18,833

17,466

15,116

2711

 

Tiled SNPs

Communis

Group 1

Group 2

Group 3

Group 4

Communis

 Group 1

0

    

 Group 2

452

248

   

 Group 3

7953

6979

6292

  

 Group 4

5455

4488

3860

1079

 
  1. SNPs with different minor alleles in groups of species with minor allele frequency (MAF) values of MAF 0.2 and MAF 0.8 were considered discriminative and grouped into the classes PolyComm_Discr, Poly_Discr or LowPoly_Discr. We combined the information from these classes to compute the numbers of SNPs able to discriminate between each pair of groups of species. This is shown for both the robust PolyHighResolution SNPs from the Axiom™ Pear 700 K Genotyping Array that had a unique alignment on the ‘Bartlett’ v2.0 genome, and the SNPs tiled on the Axiom Pear 70 K Genotyping Array. Multiple entries per SNP are possible