Which type of mutation causes cystic fibrosis?(1 point)

Question

Responses

silent
silent

deletion
deletion

insertion
insertion

substitution

Answer 1

Cystic fibrosis is primarily caused by a deletion mutation. Specifically, it is most commonly associated with a deletion of three nucleotides in the CFTR gene, which leads to the loss of a phenylalanine residue at position 508 (F508del). Therefore, the correct response is:

deletion