5.+Inheritance

=Inheritance= In order to have a child with cystic fibrosis both parents must be carriers. Children with two carrier parents have a one and four chance of getting cystic fibrosis and a one and two chance of being a carrier. Cystic Fibrosis is recessive. Every person has two pair of twenty-three chromosomes, one inherited from their mother and one inherited from their father. The CF gene is in the seventh chromosome.It is actually called the cystic fibrosis transmembrane conductance regular gene (CFTR). CFTR is a gene that creats a protein that helps regulate the production of mucus within the body. When a person has two dysfunctional genes then they will not be able to get rid of the mucus as easily.