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Question

The ability to change amino acid sequence of a protein by altering the sequence of its cDNA is called as

A
Genetic engineering
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B
Protein engineering
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C
Finger printing
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D
DNA sequencing
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Solution

The correct option is B Protein engineering
Protein engineering is the use of sophisticated techniques to produce mutant proteins with novel properties of value to be created. These mutant proteins may have only minor changes and are then compared with normal proteins/wild type proteins.
Genetic engineering includes techniques for creation recombinant DNA which carries DNA from two different sources.
DNA fingerprinting is based on sequence polymorphisms which are minor sequence differences (a single base-pair change) between individuals; this polymorphism is revealed in creating DNA profiles of individuals by DNA fingerprinting.
Any method used to determine the precise order of nucleotides, adenine, guanine, cytosine, and thymine, within a DNA molecule, is called as DNA sequencing. The correct answer is B.

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