Host cells have genes {proto-oncogene} that regulate cell growth. Chromosome rearrangements can activate proto-oncogenes. In human chronic myelogenous leukemia, chromosome-9 ends, with abl genes, are on chromosome 22 {Philadelphia chromosome}. Retroviruses incorporate proto-oncogenes from normal cells to make oncogenes by transduction.
Biological Sciences>Medicine>Disease>Kinds>Cancer>Genes>Oncogene
4-Medicine-Disease-Kinds-Cancer-Genes-Oncogene
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Date Modified: 2022.0224