Geneticists discover that insecticide resistance genes work together in mosquitoes, increasing their survival rate with important consequences for pest management.

Mosquitoes harboring two insecticide-resistance genes have been found to survive unexpectedly well in an insecticide-free environment where carrying such genes would normally expected to be a burden.

This results from the genes interacting with one another to the advantage of the host and to the detriment of pest management strategies affecting human health.

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