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Table 1 Counts of AARs in Positively versus non-Positively Selected Genes in Mammals

From: The expansion of amino-acid repeats is not associated to adaptive evolution in mammalian genes

  RCGs non-RCGs Pure Impure
PSGs 19 381 26 8
non-PSGs 1207 14922 2021 2448
  1. Counts of repeat containing genes (RCGs), repeat-free genes (non-RCGs), and of number of pure and impure amino-acid repeats (AARs), of the PSGs and non-PSGs classes. These numbers were used to perform two different Fisher's Exact Tests.