Question

A gene is described as

Answer 1

Answer: A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins.

so yeah theres your awnser

Answer 2

Answer:

A gene is the physical and functional unit of heredity. Genes are made up of DNA. DNA are made up of 4 letters. those 4 letters "write the code in you".Some genes act as instructions to make molecules called proteins.