“But if he cannot afford two turtledoves or two young pigeons, he may bring two quarts of fine flour as an offering for his sin. He must not put olive oil or frankincense on it, for it is a sin offering.

" 'You must keep my statutes: [as for] your domestic animals, you shall not cause two differing kinds to breed; [as for] your field, you shall not sow two differing kinds of seed; and, a garment of two differing kinds [of] woven material should not be worn on you.