Cistron and Regulator gene

Cistron noun - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity.

Regulator gene and cistron are semantically related In some cases you can replace phrase "Regulator gene" with "Cistron", this terms are similar.

Regulator gene noun - A gene that produces a repressor substance that inhibits an operator gene.

Cistron and regulator gene are semantically related in gene that makes repressor topic. You can use "Cistron" instead a noun phrase "Regulator gene".