The most common type of mutation that cause cystic fibrosis is a(n)____.
A)deletion
B)insertion
C)base-pair substitution
D)gene duplication
E)transformation

Name: The most common type of mutation that cause cystic fibrosis is a(n)____. A)deletion B)insertion C)base-pair substitution D)gene duplication E)transformation
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The most common mutation causing cystic fibrosis is a deletion of three nucleotides, resulting in the loss of the amino acid phenylalanine at position 508 in the CFTR protein.

The Most Common Type of Mutation That Cause Cystic Fibrosis