Evolution of sex chromosomes in plants Modeling divergence, sex-antagonistic selection, and recombination suppression in young plant sex chromosome systems Chromosome rearrangements Theoretical and statistical frameworks for testing hypotheses about polymorphic chromosome inversions Population divergence and speciation Genetic signatures of speciation and antagonistic interactions underlying hybrid incompatibility Genetic interactions & applications to disease and public health Applying evolutionary genetics to antibiotic resistance, metabolic disease, and maternal-fetal genotype incompatibility