Genetic Diversity in the Interference Selection Limit
summary
Claims that genetic diversity under pervasive purifying selection is set primarily by the population variance in fitness rather than by individual s or Ud; uses structured coalescent approximations, extensive forward simulations and a coarse‑graining mapping that replaces many weakly selected sites with an equivalent strong‑selection model. Predicts mean pairwise diversity and distorted site‑frequency spectra across parameters, matches simulations except for small intermediate deviations, and extends to recombining genomes by defining a self‑consistent linkage block scale.
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