17. Abnormal chromosomes are frequent in malignant tumors. Errors such as translocations may place a gene in closeproximity to different control regions. Which of the following might then occur to make the cancer worse?
(A) Sensitivity of the immune system
(B) An increase in non-disjunction
(C) Expression of inappropriate gene products
(D) A decrease in mitotic frequency
(E) Death of the cancer cells in the tumor