Evidence for selection and spatially distinct patterns found in a putative zona pellucida gene in Pacific cod, and implications for management.

For the exact test and the Ewens–Watterson homozygosity test, small probability values, p = Pr ( F EXP ≤ F OBS ) indicate balancing selection ( p ≤ .05 considered significant and p ≤ .10 marginally significant), while large values indicate directional or divergent selection ( p ≥ .95 considered significant and p ≥ .9 marginally significant); note that these p values are not statistical test probabilities but the placement of an observed value in a distribution of values expected under neutrality.

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