breed – n. a type of animal

allergy– n. medical condition in which your body reacts badly to something that you eat, breathe, or touch

Pandora's box – n. something that creates a lot of new problems that you did not expect

gimmick – n. something invented esp. for the purpose of attracting attention and that has no other purpose or value

crazy – adj. acting strange or foolish

hereditary – adj. having genes passed on from parents to children

standard – n. an expected level of quality