1.6 Mutations and Cancer  Practice Quiz

Name: Period: Date:

Determine if each of the statements is true or false and mark your answer. If the statement is false, correct the underlined word to make the statement true.

1. Most mutations are helpful.
   True
   False
2. Germ mutations occur in gametes.
   True
   False
3. A mutagen in anything that can cause malformation of an embryo or fetus.
   True
   False
4. A deletion mutation occurs when a piece of chromosome breaks off and is lost.
   True
   False
5. The cells of a benign tumor metastasize.
   True
   False
6. Leukemia is the uncontrolled production of white blood cells.
   True
   False
7. A point mutation is a change in a single nitrogen base in RNA.
   True
   False
8. A frame-shift mutation is an addition or deletion of a nitrogen base, causing the gene sequence to be read out of sequence.
   True
   False
9. During your lifetime, the DNA of a single gene may be damaged several billion times.
   True
   False
10. An oncogene is a gene that suppresses tumor growth.
    True
    False
11. A carcinoma is a type of cancer that occurs in skin and nerve cells.
    True
    False
12. There are over 200 different kinds of cells in the human body.
    True
    False
13. In a nondisjunction mutation, a pair of chromosomes fail to separate during cell division.
    True
    False
14. An agent that leads to the production of a cancer cell is called a carcinogen.
    True
    False
15. There are four treatments for cancer we discussed on our webpage.
    True
    False
16. Malignant cells remain attached to the parent tumor.
    True
    False
17. During chemotherapy, types of radiation are injected into the blood to kill tumor cells.
    True
    False
18. A lymphoma is a type of cancer that occurs in lymph cells.
    True
    False