Maintenance of quantitative genetic variation in regions of restricted recombination via associative overdominance
Yan Zhao, Chaebin Lee, Parul Johri, Brian Charlesworth, Tom R. Booker
The paper shows that weakly selected QTLs linked to regions with associative overdominance can increase additive genetic variance, but recessive deleterious alleles may reduce fitness when exposed by selection.
bioRxiv · Sep 24, 2026 · PreprintEvolutionary Biology