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

Responses

silent
silent

substitution
substitution

deletion
deletion

insertion

1 answer

The type of mutation that causes cystic fibrosis is a deletion. Specifically, it is often a deletion of three nucleotides in the CFTR gene, resulting in the loss of a single phenylalanine amino acid at position 508 (ΔF508).