9. You discover that the underlying cause of a specific type of cancer is an oncoprotein that is less stable than the non-oncogenic version of the protein. This change is most likely to be due to _____.
(A) a mutation within the intron of a gene
(B) a mutation within the exon of a gene
(C) a mutation within the promoter region of a gene
(D) gene duplication
(E) gene deletion
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統計: 尚無統計資料
統計: 尚無統計資料