1. Cystic Fibrosis is due to abnormal mucus-secreting tissue. Abnormal pancreatic secretions and respiratory problems will occur. This is an autosomal recessive disease. The mother and father are carriers for the disease. A. What is their genotype? B. What is their phenotype? C. What are the possible genotypes of offspring? D. What is the probability their children will have the disease? Show your work.