Fig. 4. (a) Coding for HMW glutenin parental patterns for jointed goatgrass (cyl) and wheat (aes) and their F₁ hybrid (F₁). Occasional presence of the By subunit band is indicated by "---". (b) SDS-PAGE gel of HMW glutenin patterns of jointed goatgrass (1), Madsen (2), Madsen x jointed goatgrass F₁ synthetic hybrid (3,4), and molecular weight marker (M) in kilo Daltons.