Transcript Genetic engineering

DO NOW:
READ THE FOLLOWING THEN IN YOUR NOTES EXPLAIN
WHAT YOU WOULD DO AND WHY
You are the leader of a developing nation. Hunger is a
problem among citizens of your country: the saline
(salty) coastal wetlands of your country can't support
the growth of needed crops, and your slow economy
can't support importing enough food for everyone. A
biotechnology company has genetically modified a rice
plant that can thrive in salt water, providing your
nation with the opportunity to feed its citizens while
bolstering its economy
•Artificial Breeding
•Hybridization
•Genetic engineering
•Cell transformation
•Genetically Modified Food
•Transgenic
•Gene pharming
•Cloning
Artificial selection
is the intentional breeding for certain traits,
or combinations of traits, over others
Selective breeding
is an example of artificial selection
is the process when a breeder (of animals) develops a cultivated
breed over time, and selecting qualities within individuals of the
breed that will be best to pass on to the next generation
Hybridization
Crossing dissimilar individuals to bring together
the best of both organisms
Example – crossing a disease resistant plant with
a food-producing plant
Result – a plant that the farmers need to increase
food production
Genetic engineering,
Recombinant DNA technology
Genetic modification/manipulation (GM)
Gene splicing
are terms that are applied to the direct
manipulation of an organism's genes
Method Used
Cell transformation
Is the genetic alteration of a cell resulting from the
uptake and expression of foreign genetic material
(DNA).
Genetic engineering has four main steps:
1.Isolation of the genes of interest from
donor
2.Insertion of the genes into a vector
3.Transformation of cells of organism to be
modified
4.Tests to isolate genetically modified
organism (GMO)
Genetically modified (GM) foods
have had their DNA altered through genetic engineering
GM foods were first put on the market in the early 1990s.
The most common modified foods are derived from
plants: soybean, corn, canola and cotton seed oil.
The first commercially grown genetically modified
whole food crop was the Flavr Savr tomato, which
was made more resistant to rotting by Californian
company Calgene
The next GM crops included
insect-protected cotton and
herbicide-tolerant soybean both
of which were commercially
released in 1996. GM crops have
been widely adopted in the
United States.
Gene pharming is a
technology that scientists use
to alter an animal's own
DNA, or to splice in new
DNA, called a transgene,
from another species.
Livestock such as cattle,
sheep, goats, chickens,
rabbits and pigs have
already been modified in
this way to produce several
useful proteins and drugs.
pharming
Cloning is the creation of an organism that is
an exact genetic copy of another. This means
that every single bit of DNA is the same
between the two
clickandclone clonequiz
1. Medical Purposes
2. Reviving endangered species and extinct species
3. Reproducing a deceased pet
4. Cloning humans?????
As a family physician, you often treat children
who suffer from infectious diseases that could
easily be prevented through vaccination. But the
parents of many of your patients cannot afford
the cost of vaccinations. You hear of a new
approach that would reduce the cost to a fraction
of its current price: genetically modified fruits and
vegetables that contain various vaccines. By
simply eating a banana, a child could be protected
against disease - without getting a shot!