Question

One functional unit of gene which specifies synthesis of one polypeptide is known as
Or
The equivalent of a structural gene
A. muton
B. cistron
C. operon
D. recon

Answer 1

Correct Answer - B
Cistron is the segment of DNA which determines the synthesis of complete polypeptide . Thus , it is considered as equivalent to a correct and others are incorrect.
Concept Enhancer Eukaryotic structural gene is monocistronic whereas prokaryotic structural gene is polycistronic.
Muton Smallest unit of genomic DNA containing a cluster of genes under control of single promoter.
Recon Smallest unit of DNA for recombination.