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The faulty gene causes the misfolding of a protein called the Cystic Fibrosis Transmembrane conductance Regulator (CFTR). CFTR is responsible for the movement of chloride and sodium ions into and out of cells. The lack of salt and water on the surface of the cells causes the mucus to become extremely thick and sticky which builds up in and clogs organs.

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Q: What do scientists currently believe is the cause of Cystic Fibrosis How are the faulty gene inherited and what direct effect does that have on the affected cells?
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