Cystic fibrosis (CF) is a disease caused by a mutation in a gene called the cystic fibrosis transmembrane conductance regulator (CFTR). The mutation causes the afflicted individual to produce thick, sticky mucus that the cilia lining the respiratory tract canʹt easily remove. There is no cure for CF, and most individuals suffering from this condition die in their 20s or 30s. Based on this scenario, what would you conclude about people who have CF?

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Cystic fibrosis primarily affects the lungs, leading to the production of thick, sticky mucus. This mucus can block airways, causing persistent coughing and frequent lung infections due to the difficulty in clearing mucus and bacteria from the lungs.

Cystic Fibrosis (CF) Is a Disease Caused by a Mutation