Genetic Engineering Essay
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Generic EngineeringBioengineering, or genetic engineering is an altering ofgenes in a particular species for a particular outcome.It involves taking genes from their normal location in oneorganism and either transferring them elsewhere or puttingthem back into the original organism in different combinations.Most biomolecules exist in low concentrations and as complex, mixedpopulations which it is not possible to work efficiently. This problemwas solved in 1970 using a bug, Escherichia coli, a normally innocuouscommensal occupant of the human gut. By inserting a piece of DNA of interestinto a vector molecule, a molecule with a bacterial origin of replication, whenthe whole recombinant construction is introduced into a bacterial colonies allderived from a single original cell bearing the recombinant vector, in a shorttime a large amount of DNA of interest is produced. This can be purified fromcontaminating bacterial DNA easily and the resulting product is said to have been "cloned". So far, scientists have used genetic engineering to produce, for example:+ improve vaccines against animal diseases such as footrot and pig scours;+ pure human products such as insulin, and human growth hormone in commercial quantities;+ existing antibiotics by more economical methods;
+ new kinds of antibiotics not...
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