Question

What are the functions of genes??

Answer 1

The function of genes are simple. Genes occupy a specific area in a chromosome. Because genes provide instructions for making proteins, and proteins determine the structure and function of each cell in the body, it follows that genes are used for all the characteristics in your body! 
HOPE THIS HELPED!

Answer 2

Gene is a unit of DNA on a chromosome.
Genes are actually units of heredity which transfer traits from parents to their offspring during reproduction.