one parent is heterozygous dominant in earlobe
x_linked_dominant_inheritance is inheritance. earlobe is external_anatomical_part. earlobe is body_part. earldom is rank. dynasty is aristocratic_family_line. autosomal_dominant_disease is genetic_disease. left_earlobe is earlobe. earlobe is lobe. earlobe is solid_object. earldom is domain.