Genetics-Cancer question please help!
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Genetics-Cancer question please help!

[From: ] [author: ] [Date: 11-12-08] [Hit: ]
incorporation of a cellular oncogene into a retrovirus chromosome-C.Proto-oncogenes turn into oncogenes of which you only need one copy (dominant), so (A) will produce cancer. B will produce cancer if it affects a coding region that down regulates the gene.C wont produce cancer, and the good copy is still good (again you only need one bad copy,......
which of the following events is unlikely to be associated with cancer?

a. mutations of a cellular proto-oncogene in a normal diploid cell
b. chromosomal translocations with breakpoints near a cellular proto-oncogene
c. deletion of a cellular proto-oncogene
d. mitotic nondisjunction in a cell carrying a deletion of a tumor-suppressor gene
e. incorporation of a cellular oncogene into a retrovirus chromosome

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C.

Proto-oncogenes turn into oncogenes of which you only need one copy (dominant), so (A) will produce cancer. B will produce cancer if it affects a coding region that down regulates the gene. C won't produce cancer, and the good copy is still good (again you only need one bad copy, so this doesn't increase your likelyhood). D will contribute in the cell lacking the gene. E could be true as well. I'd go with C.

By E true as well, I meant that it could go ahead and give that to other cells.
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