Some proteins may be consist of several polypeptide chains and the genes required to do this are collectively called a transcription unit. Fig. 2 Diagram showing how genes code for proteins Bacterium also contain small circular loops of DNA called plasmids which are not essential to the bacterium but can be useful in certain environmental conditions such as resistance to antibiotics. ... Using the principles of the genetic code it is possible to construct a complementary DNA sequence called and oligonucleotide using an automated DNA synthesiser. ... It is possible, however, that the gene may e...

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• Grade Level: Undergraduate

But according to a professor of cell biology and anatomy at New York Medical College in Valhalla, New York, Sturt Newman, the effect on human biology could be equivalent to transforming wild areas into artificial areas, or wild food into artificial food, "We might be changing people into products - genetically engineered products." ... To combat the inevitability of this new technologically advanced future, Marcy Darnovsky, a Sonoma State University instructor calls for three things to happen. ...

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PERSUASIVE SPEECH OUTLINE General Purpose: To persuade. Specific Purpose: To persuade the audience that cloning has serious long term effects on agriculture and the natural environment. INTRODUCTION Thesis: Human cloning should be continuously banned, and strict enforcement of the guidelines reg...

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• Grade Level: High School

A vitamin A-enriched rice called Golden Rice has already been developed. ... Environmentalists are worried that GM crops could pollinate wild plant species, introducing foreign GM genes into non-GM species. ...

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• Grade Level: High School

Genetic engineering is also called gene manipulation, DNA manipulation and gene splicing. ... Scientists promise that genetically modified plants will have better texture, more flavor, and higher nutritional value than wild varieties of the same crops [source 2]. ... Pigs are used for the production of organs which can be transplanted into human bodies, a process which is called xenotransplantation [source 1]. ...

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Galton advocated what is called positive eugenics -- improving future generations by encouraging the "best" in society to have more children. ... Thus, selective breeding turned wild species into domesticated crops and livestock. ...

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• Grade Level: Undergraduate

The one process of cloning, called nuclear transfer, replaces the nucleus of an immature egg with a nucleus from another cell. ... Cloning can do many good things for our wild life and for our economy. ...

• Word Count: 921
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• Grade Level: High School