Definition of Genomic Library

A genomic library is the collection of recombinant vectors that have chromosomal DNA fragments present in them. The field of genetics is revolutionized by the invention of recombinant DNA technology. It is a technique in which the gene of interest from a donor is cut out and is inserted into the vector in order to make recombinant DNA. This DNA is then amplified and allowed to change the genomes of other organisms by the process of transgenesis.


The organism in which this foreign genetic material is incorporated is termed as a transgenic organism. The genomic libraries constitute a large number of clones of recombinant DNA and these are employed in sequencing the entire genomes of the organisms.


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