5/24/2023 0 Comments This affects me![]() ![]() There are more than 1,700 known mutations of the disease. The defective CF gene contains a slight abnormality called a mutation. 25 percent (1 in 4) the child will not be a carrier and will not have CF.50 percent (1 in 2) the child will be a carrier but will not have CF.25 percent (1 in 4) the child will have CF.Each time two CF carriers have a child, the chances are: ![]() People with only one copy of the defective CF gene are called carriers, but they do not have the disease. Both parents must have at least one copy of the defective gene. ![]() People with CF have inherited two copies of the defective CF gene - one copy from each parent. ![]()
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