The thick mucus can clog tubes and pipes within the body. The mucus can invade the throat and lungs, restricting airflow through them, causing shortness of breath. The too-thick mucus lining the stomach can keep the nutrients from being properly absorbed into the bloodstream.
Cystic Fibrosis is recessive. It requires two faulty CFTR genes from the parents. Carriers show no symptoms of Cystic Fibrosis. CFTR is located on chromosome 7. Cystic Fibrosis is not sex-linked.
Cystic Fibrosis can be diagnosed by doing a "sweat test," measuring the amount of salt in a person's sweat. Genetic counseling can be used to determine if a child will have cystic fibrosis or not.
"What is Cystic Fibrosis?" nhlbi. National Institute of Health. 26 Dec. 2013. web. 15 May 2014. "Cystic Fibrosis Symptoms." mayoclinic. Mayo Foundation for Medical Education and Research. 13 Jun. 2012. web.15 May 2014.
"Learning about Cystic Fibrosis." genome. National Human Genome Research Institute. 27 Dec. 2013. web. 15 May 2014 "About Cystic Fibrosis." cff. N.p. 5 Jan. 2014. web. 15 May 2014.