?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Michael&rft.au=Jardine%2C+Michael&rft.aulast=Jardine&rft.degree=Doctoral&rft.date=28+May+2022&rft.tpages=293&rft.inst=UCL+(University+College+London)&rft.title=The+maintenance+of+genetic+variation+by+balancing+selection