GENE TECHNOLOGIES: exam questions

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12 Δεκ 2012 (πριν από 4 χρόνια και 8 μήνες)

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Genetic Engineering
: ALL ANSWERS MUST BE HANDWRITTEN ON A SHEET OF
PAPER


Use the link below to see how genetic engineering is done.


http://www.iptv.org/exploremore/ge/what/recombinant.cfm


1.
QUICKLY s
ummarize the seven steps given here.


Use the link below to answer questions about uses of genetic engineering:


http:
//www.iptv.org/exploremore/ge/uses/index.cfm


2
.
Click on “Food Traditional”


a
. What are two traditional uses of genetic engineering?


b
. What does genetic engineering allow scientists to do?


c
. Why would food producers turn to science instead of rel
ying on nature?


d
. Why is genetically engineering chymosin more attractive than traditional

methods of obtaining it?


e
. What two genetically modified traits are often in found in crops?


f
.
What are some consumer traits that may be genetically engine
ered in the



future?


3
.
Click on “Food Crops”


a
. Using recombinant DNA techniques, what can scientists do?


b
. What might enable tomatoes to grow in cold climates?


c
. What are three traits being engineered into crops?


d
. What are Bt crops?


e
.
Who do most genetically engineered crops benefit?


f
. How might they be engineered to help consumers?


4
.
Click on “Food Livestock”


a
. Why is cloning not common?


b
. How could it help livestock farmers?


c
.
By

what techniques are clones currently produced?


d
. How does recombinant DNA work?


e
. What have goats been engineered to do?


f
. What is pharming?


5
.
Click on “Pharming”


a
. Again, what is pharming?


b
. How is “pharming” done?


c
. How are the gene
s implanted and the offspring grown?


d
. How do hybrid animals produce the desired product?


e
. How does it work in plants?


f
. Is pharming currently being used much? Why? Why not?


6
.
Click on “Industry”


a
. How is genetic engineering used in busin
ess and industry?


b
.
How can genetic engineering help solve energy concerns?


c
. What is being made in place of harsh chemicals?



7
.
Click on “Environment”


a
. How can bacteria help the environment?


b
. What is bioremediation?


c
. How do naturally
occurring organisms compare to bacteria in environmental

uses?


8. Go to
http://www.sustainabletable.org/issues/ge/


a. What did researchers in Taiwan succeed in doing?

b. Why

might GE crops cause even more chemicals and pesticides to be used?

c. What happened to the New Leaf Potato?

d. How have salmon been genetically engineered?

e. How have hens been genetically engineered?

f. How have chickens been genetically engineered
?

g. Are GE animals approved for human consumption?

h. What were experimenters in Illinois inserting into pig DNA in 2003?

i. What happened to the pigs that were supposed to be destroyed?

j. What are the 6 specific concerns for GE food?

k. What are su
perweeds?

l. What are terminator seeds?



Go to:
http://www.iptv.org/exploremore/ge/issues/issue3.cfm


9
. Choose one of the issues on the left that interests you. Read it and summariz
e it in at
least three sentences. Then write your opinion of the issue.


10
. Choose another issue and
do the same thing you did for #9

(at least 3 sentences)
.


11
. Choose another issue and do the same thing you did for #
9 and #10

(at least 3
sentences)
.


12. Choose another issue and do the same thing you did for #9, #10, and #11

(at least 3
sentences)
.


Go to
http://www.fao.org/english/newsroom/focus/2003/gmo8.htm


There are 11 conc
erns listed for genetically modified organisms.


13
.
Which 4 concern you the most and WHY

(must explain why)
?



14
. Go to
http://www.experiment
-
resources.com/stem
-
cell
-
pros
-
and
-
cons.html

a
. What are stem cells according to this website?

b
. How are embryonic stem cells obtained?

c. What

are iPS?

d
. Why is using iPS such an advancement in stem cell research?


15
.
Go to

http://science.howstuffworks.com/environmental/life/cellular
-
microscopic/stem
-
cell1.htm


a
. What does it mean that a stem cell is pluripotent?

b
. What ar
e the three types of stem cells, and where are they found?

Click “Next Page”

c
. What is in vitro fertilization?

d
. How many embryos are made this way?

e
. What often happens to the extras?

Click “Next Page”

f
.

What are adult stem cells?

g
. Where

are adult stem cells found?

h
. What is plasticity and why is it important in stem cell research?

Click “Next Page”

i
. What makes a heart cell different from a liver cell?

j
. What did scientists use in 2006 to deliver stem cell factors and reprogram ski
n cells?

k
. Why are iPSC’s so much less controversial?


Go to
http://science.howstuffworks.com/environmental/life/genetic/ethical
-
to
-
use
-
stem
-
cells.h
tm


16
. What is the main controversy surrounding the use of stem cells

(complete
sentences)
?


Go to:
http://www.ornl.gov/sci/techresources/Human_Genome/elsi/forensics.shtml#1


17. What is DNA fingerprinting

(complete sentences)
?


Go to:
http://www.ornl.gov/sci
/techresources/Human_Genome/elsi/forensics.shtml#4


18. Read some of the ways DNA fingerprinting has been used.

a. Write one sentence summarizing one way it has been used.

b. Do this for another way it has been used.

c. Do this for another way it h
as been used.


Go to:
http://www.ornl.gov/sci/techresources/Human_Genome/elsi/forensics.shtml#6


19. What are the issues involved in DNA fingerprinting

(compl
ete sentences)
?




20.


a
. Many people claim that those gene therapy, transgenic organisms, stem cells,
biotechnology, and cloning are wrong because people are “playing God” and we
shouldn’t do that. How

would you respond to that (at least one paragraph


use Google
to search more if you need to)
?


b
.
Many say that the technologies in themselves are not bad but that because some
people are bad they will end up using them for bad reasons such as racisim, elitism,

reasons to abort,

etc. How would you resp
ond to that

(at least one paragraph


use
Google to search more if you need to)
?