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?

Question

(1 point)
Responses

It is not known why cystic fibrosis happens in people.
It is not known why cystic fibrosis happens in people.

Cystic fibrosis is a silent disorder, it has no symptoms.
Cystic fibrosis is a silent disorder, it has no symptoms.

The affects of cystic fibrosis only impact women.
The affects of cystic fibrosis only impact women.

Cystic fibrosis is caused by a deletion mutation.

Answer 1

The correct response is:

Cystic fibrosis is caused by a deletion mutation.

Cystic fibrosis is caused by a specific mutation in the CFTR gene, which often involves the deletion of three nucleotide bases, leading to the loss of a phenylalanine amino acid in the protein. The other statements provided are incorrect. Cystic fibrosis has a range of symptoms affecting both men and women and is not a silent disorder.