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Table 1 Comparison of the linear relationship between observed heterozygosity and genetic distances of populations to Gallus gallus ssp. for different classes of SNPs

From: Genetic diversity in global chicken breeds in relation to their genetic distances to wild populations

SNP class Number of SNPs R2 Slope SE of slope
Overall SNPs 156,753 0.886 − 0.706 0.010
Non-synonymous 1082 0.880 − 0.645 0.009
Synonymous 3891 0.893 − 0.708 0.010
Exonic 5959 0.891 − 0.694 0.009
Intronic 71,175 0.888 − 0.711 0.010
5′UTR 118 0.830 − 0.674 0.012
3′UTR 1383 0.875 − 0.686 0.010
Upstream 11,559 0.881 − 0.710 0.010
Downstream 8777 0.883 − 0.707 0.010
Intergenic 57,782 0.884 − 0.701 0.010
  1. The number of exonic SNPs is the sum of non-synonymous and synonymous SNPs plus the coding and non-coding exonic SNPs, which were assigned to neither the non-synonymous nor the synonymous classes. All R2 values are significant, p < 0.001. SE  standard error