Cystic fibrosis is an inherited disorder that is caused when three bases are accidentally removed from the CFTR gene. Which of the following is true about cystic fibrosis?(1 point) Responses It is not known why cystic fibrosis happens in people. It is not known why cystic fibrosis happens in people. The affects of cystic fibrosis only impact women. The affects of cystic fibrosis only impact women. Cystic fibrosis is a silent disorder, it has no symptoms. Cystic fibrosis is a silent disorder, it has no symptoms. Cystic fibrosis is caused by a deletion mutation.

Answer 1

The correct statement about cystic fibrosis from the given options is: Cystic fibrosis is caused by a deletion mutation.

Cystic fibrosis is a genetic disorder caused by mutations in the CFTR gene, with a common mutation being the deletion of three nucleotides (which leads to the loss of one amino acid, phenylalanine). The other statements provided are inaccurate. Cystic fibrosis affects both males and females, and it is not a silent disorder; it has various symptoms affecting the respiratory and digestive systems.