45. A frameshift mutation is caused by:
(A) a "G" to "A" mutation in the coding region.
(B) a nonsense mutation in an exon.
(C)one nucleotide insertion in the coding region.
(D)a "C" to "T" mutation in the promoter region.
(E)None of the above

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統計: A(0), B(0), C(1), D(0), E(0) #3262631

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