Which statement best describes the relationship between cancer and oncogenes

Asked by admin @ in Biology viewed by 269 People

Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells?

a. Proto-oncogenes first arose from viral infections.
b. Proto-oncogenes are mutant versions of normal genes.
c. Proto-oncogenes are genetic "junk."
d. Proto-oncogenes normally help regulate cell division.

Answered by admin @


Answer:

The correct answer is D.

Explanation:

Proto-oncogenes code for proteins that usually help to regulate cell growth and differentiation.

If they acquire a mutation, they become oncogenes and therefore can induce cancer.

Additionally, if they increase the amount of certain proteins concentration or acquire chromosomal translocations they can also become oncogenes.


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