Which of the following genetic changes cannot convert a proto-oncogene into an oncogene?

Which of the following genetic changes cannot convert a proto-oncogene into an oncogene?



(a) A mutation that introduces a stop codon immediately after the codon for the initiator methionine.
(b) A mutation within the coding sequence that makes the protein hyperactive.
(c) An amplification of the number of copies of the proto-oncogene, causing overproduction of the normal protein.
(d) A mutation in the promoter of the proto-oncogene, causing the normal protein to be transcribed and translated at an abnormally high level.



Answer: 




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