it presentation of gm food
TRANSCRIPT
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The Genetically-modified food
Group Members: Cheng Nan ( 12251208 )Chan Tsz Kwan (12212431)Wong Sze Ting (12203432)
GCIT 1015Mid-term Presentation
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Work flowIntroduction by
Chan
Properties by Chan
Examples by Chan
Survey result by
Cheng
Latest situation
by Wong
Prediction by Wong
Conclusion by Cheng
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IntroductionThe GM food stands for the Genetically
modified food. The GM food are foods derived from
genetically modified organisms(GMOs).GMOs have had specific changes introduced
into their DNA by genetic engineering techniques.
Scientists always want to produce some kinds of food that can combine many useful properties together.
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PropertiesThe GM food’s DNA has been
changed, may be added or deleted some
gene segments.The traits of the food must have been changed.The GM food may contain some
traits that the same species don’t have.It can exist not only in plants but
also in animals.
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Examples
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ExamplesGM CROPS PAPAYA THE NEW LEAF POTATO
TOMATO
CORN
BEAN
GOLDEN RICE
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ExamplesORGANISMS FISH MOUSE
SPIDER SHEEP
SUNTORY BLUE ROSE
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Survey Result
35%
12%29%
24%
53%
Types of GM food that people have heard or eated
Tom ato
Fi sh
Soy bea n
Corn
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Survey Result
0 %
7 2 %
1 4 %
7 %7 %
The way that people want to choose to know more about the GM food
From t he newspaper s
From t he websit e
From t he journal arti cle
From b ooks
Others
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Latest Situation--AdvantagesFaster growth productivity increases provide enough food pests and insects resistance avoid usage of pesticides and insecticides environment friendlyHerbicide tolerancemore nutritional value Longer shelf life shipped long distances
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Latest Situation--Disadvantagesend food diversityReduced effectiveness of pesticidesSuperbugscause an allergic reactionUnknown effects on human healthPlay the role of ‘God’
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Latest Situation--Development1994 first apply the GM technology to foodpopular GM food can be found everywhereGM crops are allowed in China European Union: some crops
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PredictionMore GM food developedPeople will explore more to GM foodPeople will be more open to GM foodBut still many concerns to GM foodGM food cannot replace traditional food
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ConclusionThe mindmap
http://www.mindmeister.com/209478507/copy-of-the-technology-of-gm-foods
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Thanks for listening!This is the end of our presentation on the topic of the GM food!!!