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  1. What Is a Gene? - Cleveland Clinic

    Jul 9, 2025 · Genes are segments of DNA that give your cells instructions for specific traits or body functions. Different versions of the same gene are called alleles.

  2. Gene | Definition, Structure, Expression, & Facts | Britannica

    6 days ago · gene, unit of hereditary information that occupies a fixed position (locus) on a chromosome. Genes achieve their effects by directing the synthesis of proteins. In eukaryotes (such as animals, …

  3. What is a gene?: MedlinePlus Genetics

    May 21, 2024 · What is a gene? A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins, which are …

  4. Gene - Wikipedia

    There are many different ways to use the term "gene" based on different aspects of their inheritance, selection, biological function, or molecular structure but most of these definitions fall into two …

  5. What Are Genes, DNA, and Chromosomes? - Verywell Health

    Oct 27, 2025 · Genes are the basic units that determine the traits that we inherit from our parents. 1 They contain coded information found in nearly every cell of the human body. Our genes are made …

  6. What Are Genes and Where Are They Found in the Cell?

    Aug 3, 2025 · Genes are thus modular, multifunctional, and deeply contextual. The same gene might behave differently depending on which cell it’s in, what signals it receives, and how it is modified by …

  7. Genetics Basics | Genomics and Your Health | CDC

    May 15, 2024 · Genes are specific sections of DNA that have instructions for making proteins. Proteins make up most of the parts of your body and make your body work the right way. You have two …

  8. What Is a Gene and How Do Genes Work? - Biology Insights

    A gene represents a fundamental unit of heredity, containing the information that guides the development and function of a living organism. Each gene holds the blueprint for a particular task or …

  9. Gene

    2 days ago · The gene is considered the basic unit of inheritance. Genes are passed from parents to offspring and contain the information needed to specify physical and biological traits.

  10. Genes, proteins, and traits (article) | Khan Academy

    Learn about how genes determine the structure and function of proteins, which influence an organism's inherited traits.