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is an autosomal recessive trait on chromosome 7. This disorder affects chloride transport resulting in abnormal mucus production. This lifelong illness usually gets more severe with age and can affect both males and females. Symptoms and sev ....

Middle of Term Paper
... cystic fibrosis, each carry one nonworking copy of the gene and one working copy of the gene. The parents are called cystic fibrosis carriers, and because they have one working gene they have no symptoms. Carrier parents have 1:4 chance to have a child who is a noncarrier of cystic fibrosis, a 1:2 chance to have a child who carries the gene, and a 1:4 chance with each pregnancy to have an affected child. If you have a son or daughter with cystic fibrosis, then you have a 1:1 chance of being a carrier. If you have a brother or sister with CF, you have a 2:3 chance of being a carrier. If you have a niece or nephew with CF, you have a 1: ...