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English definition of “oncogene”

oncogene

noun [C]     /ˈɒŋ.kəʊ.dʒiːn/ US  /ˈɑːn.kə-/ specialized
a gene that is present in every cell and causes a healthy cell to become cancerous under particular conditions GeneticsInnate and congenitalCancer
(Definition of oncogene noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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