Oncogenes

Proto-oncogenes are normal genes that help cells grow. An oncogene is any gene that causes cancer. ... Because proto-oncogenes are involved in the pro...

The answer is simple: Oncogenes arise as a result of mutations that increase the expression level or activity of a proto-oncogene. Underlying genetic ...

An important difference between oncogenes and tumor suppressor genes is that oncogenes result from the activation (turning on) of proto-oncogenes, but...