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Table 4 Pearson correlation coefficients and their statistical significance between dN/dS for different substitution categories and body mass for genes with low and high GC content, and for genes located in microchromosomes or macrochromosomes. Significant correlations are highlighted in italics

From: GC-biased gene conversion conceals the prediction of the nearly neutral theory in avian genomes

  Total GC-conservative S-to-W W-to-S
R p value R p value R p value R p value
High GC content 0.03 8.54 × 10−1 0.53 1.22 × 10 −4 − 0.21 1.53 × 10−1 0.25 9.43 × 10−2
Low GC content 0.13 3.83 × 10−1 0.52 1.93 × 10 −4 − 0.32 2.73 × 10 −2 0.31 3.16 × 10 −2
Microchromosomes 0.14 3.45 × 10−1 0.55 7.49 × 10 −5 − 0.26 7.79 × 10−2 0.40 5.42 × 10 −3
Macrochromosomes 0.01 9.27 × 10−1 0.47 7.65 × 10 −4 − 0.27 6.18 × 10−2 0.17 2.61 × 10−1
  1. S-to-W: strong to weak, W-to-S: weak to strong