Which of the following techniques produces large number of copies of genes?
Correct answer: D. None of the above
- A. PCR
- B. Recombinant DNA technology
- C. RFLP
- D. None of the above
Explanation
Cloning of a gene produces many identical copiesPolymerase chain reaction (PCR) creates a lesser number of copies within a laboratory test tube. Recombinant DNA technology popularly known as genetic engineering aims at synthesizing recombinant DNA which contains DNA from two different sources.Restriction fragment length polymorphism (abbreviated RFLP) refers to differences (or variations) among people in their DNA sequences at sites recognized by restriction enzymes. Such variation results in different-sized (or length) DNA fragments produced by digesting the DNA with a restriction enzyme.
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Biotechnology in health care applies biological organisms, cells or enzymes to diagnose and treat disease. The subject includes recombinant DNA, genetically engineered insulin, vaccines, antibiotics, monoclonal antibodies, gene therapy and techniques such as polymerase chain reaction, while distinguishing therapeutic applications from agricultural and industrial biotechnology.
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