The Knudson Hypothesis argued that two mutations in the type of genes that suppress tumors are needed to lead to changes that could cause cancer. However, John McDonald, a School of Biological Sciences professor and the director of Georgia Tech’s Integrated Cancer Research Center, says the research, published in Oncotarget, “shows, for the first time, that nearly all healthy individuals carry at least one potentially cancer-causing tumor suppressor gene mutation. The implication is that a majority of the human population is, to a greater or lesser extent, predisposed to develop cancer.”
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Jessica L. Hunt-Ralston
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