Which statement best describes the role of tumor suppressor genes in cancer development? select one: a. tumor suppressor genes are a type of oncogene that is only active in germ line cells and tissues. b. tumor suppressor genes control or modify the activity of oncogenes, reducing the risk for cancer development. c. the presence of tumor suppressor genes increases the risk for gene damage by environmental carcinogens. d. tumor suppressor genes reduce/suppress immune function, increasing the risk for cancer development.

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note: for words found inappropriate, i spelled them out in the phonetic alphabet in parenthesis, so take the first letter of each word to get the word i was trying to spell