Question

DNA element with ability to change position is called as

• A. Cistron
• B. Transposon
• C. Intron
• D. Recon

Answer 1

Answer: (B)

Transposon

A. Cistron is the functional unit of gene. It is a segment of DNA consisting of base sequence that codes for a polypepetide chain, tRNA, mRNA or rRNA molecule.

B. Transposons are also known as jumping genes. They are segments of DNA that can jump or move from one place in the genome to other.

C. Introns are the segments of DNA that do not code for any protein.

D. Recon is the smallest unit of gene for transcription and translation.

Hence DNA element with ability to change position is called as Transposon. So, the correct answer is 'Transposon'.