Multiple choice

Which among the following explanations regarding the proto-oncogenes is NOT true?

  1. These genes are produced by somatic mutations induced by carcinogenic substances.

  2. These genes also code for proteins associated with cell growth.

  3. Some are activated by gene amplification.

  4. They are originally derived from RNA tumor viruses.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is a normal gene that can become an oncogene due to mutations or increased expression. They are derived from RNA tumor viruses.

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