The Josephs lab is broadly interested in understanding how various evolutionary forces, like drift and selection, shape patterns of genetic variation and trait variation in natural and domesticated plant species. Questions in this realm include: Why does genetic variation persist within populations? What evolutionary forces shape genetic divergence between populations? How do plants adapt to their local environments (if they do)? We tackle these questions using population genomic and quantitative genetic techniques with a focus on thinking about quantitative (complex) traits and gene expression. We’re also interested in not only answering these questions for our specific species, but developing methods and techniques that other scientists can use in their own work.