zero child is heterozygous submissive in symbol
parasite is heterotroph. heteroflexible is heterosexual. subordination is submissiveness. hate_and_love is opposite_emotions. secondary_sex_characteristic is sex_characteristic. sugar_daddy is sweetheart. heterozygosity is state. heteroflexibility is heterosexuality. omnivore is heterotroph. heteropterous_insect is insect.