A correction or alleviation of a genetic disorder by the introduction of a normal gene copy into an affected individual is called as
A
Gene probe
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B
Gene multiplication
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C
Gene therapy
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D
Gene cloning
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Solution
The correct option is C Gene therapy Gene cloning is the process of making the copies of gene of interest by locating it in DNA followed by extraction of DNA containing that gene. A probe is a radiolabeled single-stranded DNA/ RNA fragment used to search for a gene of interest or other DNA sequence. For the purpose, the base sequence of probe is complementary to the target sequence to facilitate its base pairing with target gene. Gene multiplication is a mechanism that increase the genes in their number of copies. It is also called as gene amplification and is the source of evolution. Gene therapy is the process of introduction of DNA into living human beings in order to treat disease. It is used to replace a missing gene product or to correct mutant alleles. Correct answer is C.