Introduction
This Week you will be examining Genes and DNA by visiting an online source in the computer lab and answering several questions. Use the following handout to help guide you through the steps to understanding DNA, Chromosomes and Genes.
Task
Begin you web quest by visiting the following site: Learn. Genetics at http://learn.genetics.utah.edu/content/basics/
Go to the section called :
Tour of Basic Genetics
to begin your quest. Answer the questions on your worksheet.
Process
Answer the following questions using complete sentences. Be sure to put your name on your paper. Watch all of the video before moving on to the next question. You will have enough time in the computer lab to do a good job. DO NOT RUSH!
WHAT IS DNA? (look at the navigation bar and click on What is DNA?)
1. What does DNA stand for?
2. Why is DNA called a Blueprint?
3. Why is DNA important?
4. The "twisted ladder" shape of the DNA molecule is called a __________________________________________.
5. Name the four bases found in a DNA moleclue: ___________________________,__________________________,
__________________________________,________________________________________.
WHAT IS GENE? (look at the navigation bar and click on What is a Gene?)
7. What is a Gene? _______________________________________________________________________________________
8. When a gene is changed, it is said to be ____________________________________________________________________
9. A mutation in the hemoglobin gene causes what disorder? ______________________________________________________
WHAT IS A CHROMOSOME?
10. If you stretched the DNA from a cell out, how long would it be?___________________________________________________
11. How man chromosomes are in a human cell? ____________________________________________________________.
In a Mosquito?________________________________________________________________________________________
In a Carp?___________________________________________________________________________________________
WHAT IS HEREDITY?
12. Every child receives __________________________________of its chromosomes from his mother, and ___________________
from his father.
13. Each child inherits a _______________________________________set of Chromosomes.
WHAT IS A TRAIT?
14. Give an example of a physical trait: ______________________________________________________________
15. A dog fetching a bone is an example of what kind of trait?________________________________________________________
EXPLORE THE SECTION ON BUILDING A DNA MOLECLUE AND WHAT MAKES A FIREFLY GLOW
GREAT JOB!
Evaluation
YOU WILL BE GRADED ON HOW WELL YOU WERE ABLE TO LOCATE THE ANSWERS, IF YOU RUN INTO TROUBLE JUST ASK FOR HELP!
Conclusion
WE WILL USE THIS INFORMATION TO GUIDE OUR DISCUSSION ON THE BIOETHICS AND MUTATIONS THAT SCIENTISTS USED TO CREATE ZED IN OUR STORY.
Credits
LEARN. GENETICS Genetics Science Learning Center at:Tour of Basic Genetics