a heterozygous middle contains both submissive and dominant snapdragon
heteropogon_contortus is grass. dominant_gene is gene. heteroponera_brounii is ant. sauromalus is reptile_genus. chorthippus_parallelus is chorthippus. patriarch is primate. bronchus is anatomical_structure. prunus_sect_laurocerasus is cherry. heterozius_rotundifrons is crab. heterodon is reptile_genus.