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http://www.csiro.au/en/Outcomes/Food-and-Agriculture/WhatIsGM.aspx

discuss the potential beneits and possible harmul eects o one example o genetic

modiication

I!"#O$%&&IO!

All li'ing things( except )iruses( are made o cells. "he cell is the basic li'ing being that

is capable o perorming all 'ital unctions. Animals and plants are composed b* billions

o tin* cells( and each one o them there is a nucleus( which is the undamental part o

the cells. It is responsible o the acti'it* o the entire cell and carries the genetic material:

$!A.

"he $!A are the the carr*ing molecules o the needed inormation o the de'eloping o a

cell or an indi'idual and the onl* molecules able to sel-duplicate( creting copies o

themsel'es. the $!A molecules carr* on their unction than+ to the existence o achemical code: the genetic code. "he interpretation o this code ma+es the protein

s*nthesis. ,roteins are the most important structures that our bod* is made o.

'en though the $!A is onl* . percent o an indi'idual( it is the part o the bod* which

controls e'er* unction o the bod*. I a ragment o this genetic inormation is ailed( it

can cause huge problems to the entire organism.

0Genetic modiication is when *ou ta+e a beneicial gene( a bit o $!A( rom one species

and add it to the $!A se1uence o another species. "he geneticall* modiied sub2ect will

use the gene and beneit rom it3( 'a'aa( esto es para citar con esta pagina pero no se

como se hace( asi 1ue ha4lo tu pora --5http://wi+i.answers.com/6/What7is7genetic7modiication8ix449wOa;;l

Genetic manipulation traditional method.>"he procedure is

the crossing o the best ( largest( most beautiul and most delicious indi'iduals o some

species to each other so that the* obtain a plant or an animal e'en better( greater( more

beautiul or more tast*.

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traditional method( it is possible to a'oid the possibilit* o transer other eatures. And

also( in the traditional method( the eatures can onl* be exchanged between identical or

'er* similar species. In genetic modiication( the characteristics can be transerred rom

one species to another 1uite dierent( and the same is true o plants and

animals.Genetic modiication occurs aster than the traditional method.

Genetic modiication alters the genes and( conse1uentl*( the characteristics o the

indi'idual. It is possible( or example( geneticall* modiied strawberries so the* sta* resh

longer( and some oods such as oranges can be geneticall* modiied to contain more

'itamin 'alue.

When scientists geneticall* modi* a plant( introduce an oreign gene into the plantCs own

genes. Ma* be( or example( a gene o a bacterium resistant to the pesticide. As a result(

the GM plant inherits the eatures contained in the genetic code( and is also suitable to

withstand pesticides.With genetic modiication( it is possible to transer genes rom one

species to another. "his is because all genes( both human and plant( animal or bacterial

are created rom the same material. Genetic scientists thus ha'e an enormous amounto genetic characteristics to choose rom.

Genetic modiication o plants occurs in se'eral stages. First( "he scientist inds and

isolates the gene with the desired genetic characteristics and then the* ma+e multiple

copies o the gene isolated. Ater it( the* transer these genes into the in'idual. In

animals( this process is carried on during ecundation( but in plants( scientist introduce

the genes b* adding them to a part o a plant issue.

we see this genetic manipulation dail*. "he ,oultr* Farms ha'e used it to create atten

chic+ens ast and so the maintenance costs are reduced( and rice has been modiied to

ha'e a higher 'itamin content. Although the modiication can be perormed in both

animals and plants( we can sa* that is most commonl* used in plants

"omatoes geneticall* modiied to last longer was the irst geneticall* modiied ood

product that consumers were able to ac1uire. "his tomato was launched in ?? in the

%.D. mar+et It is geneticall* modiied to stand irm and resh or a long time( this is

because( as a result o the genetic modiication( tomato produces a lower amount o the

substance that causes impairment.

http://www.gmo-

compass.org/eng/grocer*7shopping/ruit7'egetables/;.geneticall*7modiied7tomatoes.

html

http://www.gmo-compass.org/eng/grocery_shopping/fruit_vegetables/15.genetically_modified_tomatoes.htmlhttp://www.gmo-compass.org/eng/grocery_shopping/fruit_vegetables/15.genetically_modified_tomatoes.htmlhttp://www.gmo-compass.org/eng/grocery_shopping/fruit_vegetables/15.genetically_modified_tomatoes.htmlhttp://www.gmo-compass.org/eng/grocery_shopping/fruit_vegetables/15.genetically_modified_tomatoes.htmlhttp://www.gmo-compass.org/eng/grocery_shopping/fruit_vegetables/15.genetically_modified_tomatoes.htmlhttp://www.gmo-compass.org/eng/grocery_shopping/fruit_vegetables/15.genetically_modified_tomatoes.html

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http://enc*clopedia9.thereedictionar*.com/GeneticEmanipulation sacar de a+i ethical

issues

http://wi+i.answers.com/6/What7is7genetic7modiication8ix449wOa;;l

http://www.bionetonline.org/castellano/content/7tool.htm

http://librar*.thin+1uest.org/@?/IB.htm

http://www.bionetonline.org/castellano/content/7contB.htm

...........................

http://www.csiro.au/en/Outcomes/Food-and-Agriculture/WhatIsGM.aspx

http://librar*.thin+1uest.org/@?/IB.htm

http://www.bionetonline.org/castellano/content/7tool.htm

http://www.gmo-

compass.org/eng/grocer*7shopping/ruit7'egetables/;.geneticall*7modiied7tomatoes.

html

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