試題詳解

17. Abnormal chromosomes are frequent in malignant tumors. Errors such as translocations may place a gene in close proximity 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