Although allergic conditions can be caused by pet mice and rats, there are many other sources of allergens (e.g., house dust, insects, mites, pollens, and mold spores).
A. True
B. False
Question 2
A pedigree is an important document of the ancestry of a companion animal. Evaluation of ancestors for four or more generations is helpful in formulating a breeding program to improve a breed.
A. True
B. False