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- 1. Multiple Choice
In the movie, Tim says that genetic mutations are PERMANENT changes to DNA or RNA. What does this mean?
The changes are minor.
The changes CANNOT be undone.
The changes are major.
The changes can be undone.
- 2. Multiple Choice
Which of the following traits is encoded in your DNA?
Your personality.
Your likes and dislikes.
Your intelligence.
Your eye color.
- 3. Multiple Choice
What types of living organisms have no genetic material at all?
Insects
Bacteria
Plants
All living organisms have genetic material.
- 4. Multiple Choice
Why do most changes to DNA have no effect at all?
Because they're too minor to have any effect.
Because the changes are offset by RNA, which cannot change.
Because the changes are quickly repaired.
Because the changes only occur in a few cells.
- 5. Multiple Choice
Which word describes the majority of permanent genetic mutations?
Helpful
Minor
Injurious
Beneficial
- 6. Multiple Choice
What usually happens to a cell whose DNA has been damaged?
It has trouble manufacturing certain proteins.
Its genetic material leaves the nucleus.
It is able to produce twice as many proteins as normal cells.
It shrinks to half its normal size.
- 7. Multiple Choice
How are cancerous cells different from normal cells?
Cancerous cells are shaped differently than normal cells.
Cancerous cells divide more frequently than normal cells.
Cancerous cells contain chemicals that are not found in normal cells.
Cancerous cells need more oxygen than normal cells.
- 8. Multiple Choice
Which of the following is an example of a beneficial mutation?
When an organism's life span becomes shorter.
When an organism becomes unable to reproduce.
When an organism's body becomes deformed.
When an organism develops immunity to a disease.
- 9. Multiple Choice
When a beneficial mutation spreads through an entire population of organisms, that population:
Is beneficial
Has evolved
Goes extinct
Keeps mutating
- 10. Multiple Choice
When do random, or spontaneous, mutations happen?
During cell division.
When cells are exposed to hazardous materials.
When cells are exposed to certain viruses.
When cells are exposed to radiation.
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