The regulatory genes are located :

Genes are located on :

Genes are located in

Genes are located in

Genes are located in

Genes are located on the

Sometimes the regulatory sequences are loosely defined as regulatory genes even though these sequences do not code for any RNA or protein because

According to operon concept, the regulatory gene regulates gene regulates biochemical reactions in a cell by

Holandric genes are located on

Who proved that genes are located on chromosomes?