Sodium vs Potassium. Sodium and Potassium are naturally occurring alkaline metals that show many similarities in their behaviors. Both sodium and potassium ions are essential for all life forms. Both ions are highly reactive and easily dissolve in water which is why both are found more in seawater than on land.
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.
How do Genes Control the Characteristics (or Traits) of the organism? Advertisements: A gene is the section of DNA on a chromosome which codes for the formation of a protein controlling a specific characteristic (or trait) of the organism. Suppose a plant progeny has gene for the characteristic called 'tallness'. Now, the gene for tallness will give instructions to the plant cells to make a lot of plant growth hormones.