Recombination, selection, and the evolution of tandem gene arrays.

Abstract excerpt

Multigene families-immunity genes or sensory receptors, for instance-are often subject to diversifying selection. Allelic diversity may be favored not only through balancing or frequency-dependent selection at individual loci but also by associating different alleles in multicopy gene families. Using a combination of analytical calculations and simulations, we explored a population genetic model of epistatic...

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