cistron /cis·tron/ (sis´tron) the smallest unit of genetic material that must be intact to transmit genetic information; traditionally synonymous with gene.
cistron
cis·tron (s s tr n )n. The smallest functional unit of heredity; a length of chromosomal DNA associated with a single biochemical function and essentially equivalent to a gene. cis·tron ic adj. |
cistron
[sis′tron]
Etymology: L, cis, this side, trans, across
a fragment or portion of DNA that codes for a specific polypeptide. It is the smallest unit functioning as a transmitter of genetic information. In modern molecular genetics the cistron is essentially synonymous with the gene. It can include regions preceding and following the coding DNA as well as introns. -cistronic, adj.
cistron
a DNA segment corresponding to one polypeptide chain plus the start-and-stop codon. The smallest unit of genetic material that must be intact to function as a transmitter of genetic information; as traditionaly construed, approximately synonymous with gene.
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