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

Question

Responses

deletion
deletion

insertion
insertion

silent
silent

substitution

Answer 1

Cystic fibrosis is primarily caused by a deletion mutation. Specifically, it often involves the deletion of three nucleotides in the CFTR gene, leading to the loss of a phenylalanine amino acid at position 508 (commonly referred to as F508del). Therefore, the correct answer is deletion.