Abnormal chromosomes are frequently found 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?

Abnormal chromosomes are frequently found 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. failure of the cancer cells to multiply
b. expression of inappropriate gene products
c. a decrease in mitotic frequency
d. an increase in nondisjunction


Answer: b. expression of inappropriate gene products


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