Chill coma onset and recovery fail to reveal true variation in thermal performance among populations of Drosophila melanogaster.

Abstract excerpt

Species from colder climates tend to be more chill tolerant regardless of the chill tolerance trait measured, but for Drosophila melanogaster, population-level differences in chill tolerance among populations are not always found when a single trait is measured in the laboratory. We measured chill coma onset temperature, chill coma recovery time, and survival after chronic cold exposure in replicate lines derived...

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