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Cystic Fibrosis - School Essays

Cystic Fibrosis

About 1 out of 201 Caucasian people carries at least one of the fatal defective genes that cause , CF, or mucoviscidosis (in Europe) although carriers don't show any signs of the disease. Therefore, 10 million people carry the defective gene and aren't aware of it. This makes it one of the most common genetic defect in the United States.
CF is a recessive gene. That means that it may, but doesn't always skip generations. In order to get this disease, both parents must be carriers. If one parent has CF and the other one is not a carrier than there is a 100% chance that their child will be a carrier. If one parent has CF and the other is a carrier than the child has a 50% chance of having ...

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and clubbed or enlarged fingertips and toe tips is another symptom. Now there are many tests that can be done to find out if a person has CF.
Doctors can now do genetic testing for CF, but about 10 years ago they couldn't. In 1989, the location where the of the defective gene on chromosome number 7 is was discovered by Francis S. Collins from University of Michigan. Tests can now be taken to see if an unborn child is infected with CF such tests are amniocentesis, chronic villus biopsy and a removal of cells from the embryo during invitro.
Furthermore CF causes the sweat glands to release about 5 times as much salt as a normal person would. This is why the skin of a CF patients may taste salty. They don't sweat more, but when they perspire more salt is excreted. This causes the person to dehydrate.
CF is a disorder that causes the body to produce larger amount of mucus than normal. In a normal person, mucus in the lungs helps get rid of germs and bacteria in the air. In a CF ...

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Cystic Fibrosis. (2008, February 17). Retrieved August 2, 2026, from http://www.essayworld.com/essays/Cystic-Fibrosis/79155

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PAPER DETAILS

Added: 2/17/2008 12:25:05 AM
Category: Health & Medicine
Type: Premium Paper
Words: 761
Pages: 3

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