Abnormal Chromosomes Are Frequently Found in Malignant Tumours

question 58

Multiple Choice

Abnormal chromosomes are frequently found in malignant tumours. 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)an increase in nondisjunction
• B)expression of inappropriate gene products
• C)a decrease in mitotic frequency
• D)death of the cancer cells in the tumour
• E)sensitivity of the immune system

---

Definitions:

Independent Variable

In an experiment, it is the variable that is manipulated or changed to observe its effect on the dependent variable.

Dependent Variable

In experimental and statistical research, the variable that is being tested and measured, expected to change as a result of manipulations in the independent variable.

Vocabulary Learning

The process of acquiring new words and phrases to improve communication and comprehension abilities in a language.

Peer-reviewed Articles

Scholarly articles that have been evaluated and critiqued by experts in the same field before publication.