Health advocacy is a key physician skill to address social determinants of health and promote health and health equity. 1 We noted a lack of medical school curricula that both address skills necessary to develop partnerships with advocacy stakeholders and students' desires to self-determine advocacy topic areas. A novel learning project was therefore designed to address these goals. Outcomes were followed for 3 years. We aim to describe student and community health partner outcomes and key lessons learned through the delivery of this project. Approach:The health advocacy project ("HAP") was incorporated as part of a required ambulatory clinical course at the University of Wisconsin School of Medicine and Public Health (UW-SMPH). The HAP allowed medical students to identify a topic and community partner and required students to arrange meetings with the partner to identify shared goals and a mutually agreed-upon project. Students dedicated approximately 8 hours of work over the 10-to 12-week course to this effort. Projects were focused on community partner goals. At the end of the course, students delivered their project, wrote a summary paper, and completed a selfevaluation on changes in attitudes and practice. Community partners submitted qualitative feedback.

Datisca glomerata is an androdioecious plant species containing male and hermaphroditic individuals. Molecular markers and crossing data suggest that, in both D. glomerata and its dioecious sister species D. cannabina, sex is determined by a single nuclear locus, at which maleness is dominant. Supporting this conclusion, an amplified fragment length polymorphism (AFLP) is heterozygous in males and homozygous recessive in hermaphrodites in three populations of the androdioecious species. Additionally, hermaphrodite × male crosses produced 1:1 sex ratios, while hermaphrodite × hermaphrodite crosses produced almost entirely hermaphroditic offspring. No perfectly sex-linked marker was found in the dioecious species, but all markers associated with sex mapped to a single linkage group and were heterozygous in the male parent. There was no sex-ratio heterogeneity among crosses within D. cannabina collections, but males from one collection produced highly biased sex ratios (94% females), suggesting that there may be sex-linked meiotic drive or a cytoplasmic sex-ratio factor. Interspecific crosses produced only male and female offspring, but no hermaphrodites, suggesting that hermaphroditism is recessive to femaleness. This comparative approach suggests that the hermaphrodite form arose in a dioecious population from a recessive mutation that allowed females to produce pollen.

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