Question

The equivalent of a structural gene is
A. Operons
B. Recon
C. Muton
D. Cistron

Answer 1

Hint: The regulations of the particular genetic trait are due to the structural genes that continue to stretch of the DNA. The exhibition of cis Trans test and is synonymous with the gene because of the functional unit of the cistron. And recon is the smallest unit that is capable of the combination of the genes. And multiple mutons and recons present in the cistron.

Complete answer:
The requirements of making the proteins through the genetic information contained by the DNA in the specific gene. There are two types of genes based on the organism prokaryotic gene, in bacteria and Cyanobacteria present in it and on the other side eukaryotic genes in plasma, animals like high organisms present in it. And there are also two types of genes on the basis of activities first one is housekeeping genes which are always present in the active form and second type is specific genes which are getting active only during some special conditions. The classical principle of genetics introduced by Gregor Mendal in 1865 and the term coined gene in 1909 by Wilhelm Johannsen.

Therefore the correct option is (D).

Note: The codes for a specific polypeptide present in the protein synthesis are the molecules obtained from the DNA and RNA. Cistron performed functions such as coding of the sequence, transcription start and stop signals, and also found in the polycistronic mRNA, monocistronic mRNA and in the operons. Gene is responsible for the coding such as cistron and codons help to make the polypeptide chain with the process of translation.