Nastia Lyulina @alyulina.github.io · Nov 6 These two independent measurements allowed us to estimate both the cost and dominance of pesticide resistance: decline in exposed cages after pesticide removal requires a fitness cost, while persistence at low frequency in unexposed cages suggests low dominance.
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At the same time, rapid growth under pesticide implies that dominance cannot be too low when alleles confer a fitness advantage. These observations are consistent with contextual dominance: alleles appear recessive when deleterious but dominant when beneficial.