Diagram illustrating the structure of genes, showing chromosome, coiled DNA, DNA double helix, and the four DNA bases: adenine, cytosine, guanine, and thymine.

Visual representation of genes, illustrating the structure from chromosomes to the DNA double helix, including the four DNA bases essential for genetic coding.

Gene

Category: Cell Biology Date: November 10, 2024

What is a Gene?

A gene is a segment of DNA that contains the instructions for building a specific protein or performing a specific function within the cell. Genes determine an organism’s traits and are passed from one generation to the next.