A segment of DNA on a chromosome that controls the production of a  protein is called a gene. Chromosome a cellular structure that  contains DNA.Edit. Share to: JD Heyl.15,441 Contributions. Textbook author, biology researcher. Genetics Supervisor. In Biology. segment of DNA on a chromosome that controls the production of a  protein is called a gene. Chromosome a cellular structure that  contains DNA. Edit. Share to: JD Heyl. 15,441 Contributions. Textbook author, biology researcher. Genetics Supervisor.