About
Site Map
Contact Us
A service of the
U.S. National Library of Medicine®
Home
Conditions
Genes
Chromosomes
Handbook
Glossary
Resources
Handbook
Table of Contents
Cells and DNA
How Genes Work
Mutations and Health
Inheritance
Consultation
Testing
Therapy
Human Genome Project
Genomic Research
Handbook
>
Handbook Illustrations
>
Gene
Genes are made up of DNA. Each chromosome contains many genes.
Related information:
What is a gene?
Published: October 3, 2008
Indicates a page outside Genetics Home Reference.