Just what i needed — Allergen-free cats!!!!People that are allergic to cats (like me!!) will be able to pet them without sneezing or scratching. Genetically engineered cats will be produced to help people with allergies enjoy their sneeze-free kitties. Allerca, Inc., a biotechnology company in San Diego, Calif., says it has bred hypoallergenic cats and is now taking orders from customers in the U.S.....