Question

A genetically manipulated organism containing in its genome one or more inserted gene of another species is called as

• A. Transposon
• B. Gene expression
• C. Transgenic organism
• D. Retroposons

Answer 1

The correct option is C Transgenic organism

Transposons are movable DNA sequences that can move (or jump) from one location in the genome to another and are found in bacteria. They leave a copy of themselves in the original position when they move to a new site. This phenomenon is significant in antibiotic resistance.

Retroposons are variants of transposons that move via an intermediate RNA form. They transcribe DNA element into RNA which is then reverse transcribed into DNA. This newly formed cDNA is inserted at a new site in the genome. The process of synthesis of a functional gene product using the information from a gene is gene expression. Functional product of protein coding genes is protein, but non-protein coding genes code for as transfer RNA (tRNA) or small nuclear RNA (snRNA) genes.

Organisms carrying one/more gene or genes from a different species/organism is a transgenic. They are produced to impart advantageous traits which were not there in them.