The quantitative genetic basis of clinal divergence in phenotypic plasticity
Belinda van Heerwaarden, Carla M Sgro
EVOLUTION | WILEY | Published : 2017
Phenotypic plasticity is thought to be an important mechanism for adapting to environmental heterogeneity. Nonetheless, the genetic basis of plasticity is still not well understood. In Drosophila melanogaster and D. simulans, body size and thermal stress resistance show clinal patterns along the east coast of Australia, and exhibit plastic responses to different developmental temperatures. The genetic basis of thermal plasticity, and whether the genetic effects underlying clinal variation in traits and their plasticity are similar, remains unknown. Here, we use line-cross analyses between a tropical and temperate population of Drosophila melanogaster and D. simulans developed at three consta..View full abstract
We thank the Australian Research Council, the Commonwealth Environment Research Facility, the Science and Industry Endowment Fund, and Monash University for financial support. We would also like to thank V. Kellermann, F. Cockerell, R. Lee, J. Jory, and W. Yee for technical support.