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Table 1 Predicted hypotheses for rates of molecular evolution in Bambusicola and Gallus

From: Comparison of the Chinese bamboo partridge and red Junglefowl genome sequences highlights the importance of demography in genome evolution

  Hypothesis Mean dN/dS dN/dS > 1 Heterozygosity
Demography (assuming no selection) Higher N e in Gallus Lower in Gallus Higher in Gallus Higher in Gallus
  Lower N e in Gallus Higher in Gallus Lower in Gallus Lower in Gallus
Selection (assuming equal Ne) Directional selection on Gallus Higher in Gallus Elevated for a proportion of genes in Gallus Equal between species
  Sexual Selection on Gallus Higher in Gallus Elevated for a proportion of genes in Gallus Lower in Gallus (due to reduced male population size)
  1. Predicted patterns of molecular evolution and heterozygosity for Gallus compared to Bambusicola are given for both demographic and selection-based hypotheses of genome evolution. The mean dN/dS refers to results for gene-wide differences in molecular evolution from branch tests while dN/dS > 1 is determined by results from branch-site tests