Answer:
a segment of DNA
Step-by-step explanation:
A gene is a chain of deoxyribonucleic acid (DNA), a structure that is constituted as a functional unit in charge of the transfer of inherited traits. It can also be defined as a series of nucleotics that stores the information that is required to synthesize a macromolecule that has a specific cellular role. The genes are organized into strands of DNA and they represent the various chromosomes.