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  1. Gene - Wikipedia

    In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. The molecular gene is a sequence of nucleotides in DNA that is transcribed to produce a functional …

  2. What Is a Gene? - Cleveland Clinic

    Jul 9, 2025 · What is a gene? Genes are segments of DNA that give your body the instructions for a specific characteristic (trait) or process. DNA is the molecules that make up those …

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

    Oct 12, 2025 · 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 …

  4. 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 …

  5. 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.

  6. 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 …

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

    2 days ago · Genes are composed of DNA and encoded for a specific purpose. How genes are encoded will determine how you look or how your body functions. Every person has two …

  8. Gene - Structure, Types & Characteristics - GeeksforGeeks

    Jul 23, 2025 · Gene is defined as the fundamental unit of inheritance because it is transferred from parents to offspring. A gene is a basic unit of heredity in biology. It carries instructions …

  9. Definition of gene - NCI Dictionary of Genetics Terms - NCI

    Genes are made up of sequences of DNA and are arranged, one after another, at specific locations on chromosomes in the nucleus of cells.

  10. What is a gene? | Definition of a gene - YourGenome

    What is a gene? Genes are small sections of DNA that code for a functional product, like a protein. Our DNA is organised into small sections, called genes. Each gene contains the …