Question

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

Answer 1

Cystic fibrosis is primarily caused by a **deletion** mutation, specifically the deletion of three nucleotides in the CFTR gene, which leads to the loss of the amino acid phenylalanine at position 508 (known as ΔF508). Therefore, the correct answer is **deletion**.