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Table 3 Median and standard deviation (sd) of GC for orthologs to chicken and zebra finch genes located on large (chromosomes 1-9) and small chromosomes (chromosome 10-) for third codon position and introns

From: Evidence for GC-biased gene conversion as a driver of between-lineage differences in avian base composition

  GC small chrom. GC large chrom. Wilcoxon test sd GC small sd GC large Wilcoxon test
Chicken third sites 0.495 0.458 P = 2.0e-11 0.0457 0.0349 P <2.2e-16
Chicken intronic 0.493 0.449 P = 0.0020 0.0432 0.0353 P = 6.7e-07
Zebra finch third sites 0.497 0.457 P = 1.5e-13 0.0456 0.0348 P <2.2e-16
Zebra finch intronic 0.500 0.447 P = 0.00038 0.0418 0.0352 P = 4.3e-05