The term for segments or sections of DNA that code for traits is genes.

Quick Scoop

Genes are stretches of DNA that contain the instructions for building specific proteins, and those proteins help determine an organism’s observable traits, like eye color or hair texture.

Each gene occupies a particular location on a chromosome, and many different genes together contribute to the full set of characteristics of a living being.

In everyday biology questions and textbook exercises, whenever you see “segments of DNA that code for traits,” the expected answer is “genes.”

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