A gene is a section of dna within a chromosome that codes for a

Answer: specific protein

Explanation:

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

For a specific protein that functions in one or more types of cells in the body.