Biology Interactive Activity: Cloning Name ______
Objective: You will log on to the Internet and use information to discover the details of cloning. You will then use the information to draw conclusions as to the usefulness of cloning methods.
Directions:
1) Use the Internet to visit the following home page of this website: http://learn.genetics.utah.edu/
2) Answer the following questions about cloning. Look for additional directions in bold type.
Note: If you have difficulty with the information, here is a site that offers a simplified animation which you may want to look at prior to this activity: http://www.dnalc.org/resources/animations/cloning101.html
I. >Select: CLONING
>next, Select: “WHAT IS CLONING”
1) Define cloning: ______
______
2) TRUE OR FALSE? (T/F)
______a) Dolly the sheep was the first organism to be cloned by scientists.
______b) A somatic cell is the same as a reproductive cell.
3) What do we call naturally created clones in the human population? ______
4) Name the two processes that can be used by scientists to make an exact genetic copy of an organism.
a) ______
b) ______
5) Observe the videos on natural and artificial twinning. What is the main difference between the two
processes? ______
______
______
6) In 1997, a scientific laboratory in Edinborough, Scotland cloned Dolly the sheep by the process called
SCNT.
Complete this sentence: “[Dolly] was the first-ever...”:
______
______
7) In SCNT, the nuclear material from the somatic donor cell is removed and placed in a donor egg cell. Check
out “See the real thing!” (on the right hand side of your screen) and observe the removal of the nuclear material and the placement in a donor egg cell.
What is the term for removing the nuclear material? ______
What is the term for moving it to the donor cell? ______
Scroll down to “How Does SCNT Differ From the Natural Way of Making an Embryo?”
8) Somatic Cell Nuclear Transfer (SCNT) differs from natural reproduction in several ways.
List two ways in which SCNT is different from natural reproduction.
______
______
______
9) Check out the right sidebar: How does cloning an organism differ from cloning a gene?
______
______
______
II. >Select “Why Clone?”
10) List 3 ways that cloning could benefit medicine.
a) ______
b) ______
11) What is the current status in cloning to save endangered species? ______
______
______
12) Is it likely that we will be able to clone a dinosaur? Why not?
______
______
13) Would a cloned pet necessarily be the same as the original? Give two reasons/examples why not.
a)
b)
14) What is a benefit for cloning livestock?
15) Why aren’t scientists cloning humans?
III. >Select “Click and Clone” – complete the online simulation then answer the questions.
IV. Select: “History of Cloning”
16) For each of the following dates and titles, briefly describe the outcome of the event. In other words, what
happened and what was significant about the event?
a) 1885______
b) 1902______
c) 1928______
d) 1952______
e) 1958______
f) 1975
g) 1984
h) 1987
i) 1996 (two entries)
j) 1997 (two entries)
k) 1998-99
l) 2001
m) 2007
n) 2013
V. Select: “Cloning Myths” (on the right hand side)
17) A myth is an inaccurate idea that people believe. Describe one myth about cloning and why it is not true.
______
______
______
VI. Cloning Risks - Go to http://learn.genetics.utah.edu/content/cloning/cloningrisks/
18) List and provide a short description of 4 different problems associated with cloning.
1) ______
______
2) ______
______
3) ______
______
4) ______
______
Curious to know what ever happened to Dolly the Sheep? Read CNN Article here à http://tinyurl.com/pythgpb
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