question_answer

Write short notes on

(i) Vector

(ii) Gene gun

(iii) rDNA technology.

Answer:

(i)  Vectors that help in gene cloning, e.g., plasmid, bacteriophage. They should have selectable marker for identification of transformed cells.

(ii) Gene gun is a device for injecting cells with genetic information, originally designed for plant transformation. The actual name of gene gun is the biolistic particle delivery system and this technique is often simply referred to as biolistic.

(iii) Recombinant DNA (rDNA) technology hybridize genes of two different organisms to achieve desired genotype and phenotype.