“…I summarize the structural differences between strains in Figure S1 in the Supporting Information. Secondly, the structural differences and meiotic drive elements that wild strains contain complicate crosses between strains, by reducing spore viability and skewing the proportions of alleles that are produced in the offspring (Clément‐Ziza et al, ; Hu et al, ; Hu et al, ; Kondratieva & Naumov, ; Kondratieva & Naumov, ; Nuckolls et al, ).…”