Oncogenes are genes that, when mutated or expressed at high levels, can lead to the development of cancer. They are typically involved in cell growth, division, or avoidance of cell death, and their inappropriate activation can lead to tumor formation.

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What Is an Oncogene

Question 7

Multiple Choice

What is an oncogene?

A) A gene associated with tumor formation when its product does not function.
B) A gene associated with tumor formation when it is inappropriately activated.
C) A gene that inhibits cell growth when its product functions normally.
D) A gene that codes for a transcription factor involved in tumor formation.

Correct Answer: