what are some of the advantages and disadvantages of genetic engineering?
Since this is not my area of expertise, I searched Google under the key words "genetic engineering advantage" to get these possible sources:
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http://www.actionbioscience.org/biotech/glenn.html
http://www.essaydepot.com/essayme/3868/index.php
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http://whatis.techtarget.com/definition/0,,sid9_gci1110323,00.html
There are many other sources out there, if you want to continue the search. In the future, you can get the information more quickly by searching yourself with the appropriate key words.
I hope this helps. Thanks for asking.