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Transgenic Organism

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by

yasmine faouzi

on 3 June 2014

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Transcript of Transgenic Organism

Transgenic Organism


By:
Yasmine F.

Christy S.

Who discovered it
???
This is any type of organism that has had genes artificially placed into its DNA and not by reproduction.
Cons:
Transgenic
... rganisms
1.
Environmental
damage.
By growing plants or raising livestock in environmental conditions that normally wouldn’t support them, there is the potential of irrevocably damaging that environment.

2.
There is no economic value
. They take just as long to grow and mature.

3.
A growth in allergic reactions in the general population.
Time and time again, studies have shown that the consumption of GMO foods increases the risks of food-based allergies in people.
The 3 Methods
!!!
Pros:
Transgenic
... rganisms
What Are They
???
Why is it done
???
Because scientists want to learn more about genes and how they work.
"Micro-Injection"
"Retroviral Vectors"
"Embryonic Stem Cell Transfer"

HOW
ITS
DONE
This practice is done on animals.
An egg is transferred from the animal. After it is fertilized, the reorganized DNA with the new gene is infused into the nucleus. The needle goes in multiple sites at random. Finally, the end product is inserted into another animal where it will grow and develop.

HOW


IT
WORKS
The choice gene is transferred into an RNA virus which is manipulated to contaminate other cells in the embryo. These cells develop while sheltering the inserted gene. They are then distributed throughout DNA in the organism.
HOW

ITS


MADE
ES(Embryotic Stem) cells are removed from the organism. They are transferred to a "tissue culture flask". DNA that has the desired genes is injected into the cells in certain locations of the genome. Finally, the ES cells are transferred into the original organism for development.

The changes made to the DNA don't always work.
The changes to the DNA don't always work.
The introduced traits are communicated most vibrantly using this method.
FARMERS
HOSPITALS
BUSINESS
# Always getting the better traits in an animal according to its job.

Ex- "Sheep that grow more wool"
1# Many people are on the list for organ transplants.

Ex- "So that pigs are born with organs we can use as replacements"
1# Double tasking.

Ex- "Goats that make silk along with milk"
Is it safe?
Is it right to play around with the DNA belonging to another organisms?
S
C
O
R
E

Arthur Kornberg
. . . . . . . . . . . . . . . . . . . . . . .
biology-online.org
actionbioscience.org
fas.org
scienceeducation.gov

Full transcript