00:01
Which of these statements is correct? is it a, mutations can cause a cell to become cancerous? b, mutations can be caused by the environment, such as radiation, chemicals or viruses.
00:14
C, an active immune system, diet and exercise can prevent cancer, or d, all of the above.
00:20
So a genetic mutation, this can perhaps knock out a tumor suppress gene, or it can cause an oncogene's regulation to go haywire, or rather a proto -oncogene to become an oncogene.
00:33
So this is correct.
00:34
Mutations can cause cancer.
00:36
B, genetic mutations, they can be caused by environmental influences.
00:41
Ionizing radiation can damage dna and cause a mutation.
00:46
Some chemicals can cause mutations and viruses...