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  1. 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 …

  2. 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 …

  3. Gene - Wikipedia

    We define a gene as a DNA sequence that is transcribed. This definition includes genes that do not encode proteins (not all transcripts are messenger RNA). The definition normally excludes …

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

    Aug 3, 2025 · Chromosomes are the carriers of genes, and their structure ensures that genetic material is accurately replicated and distributed during cell division. Each chromosome has a …

  5. 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 …

  6. 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.

  7. 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 …

  8. 12.1: What Are Genes? - Biology LibreTexts

    A gene is composed of DNA that is “read” or transcribed to produce an RNA molecule during the process of transcription. One major type of RNA molecule, called messenger RNA …

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

    Aug 22, 2024 · 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 …

  10. What is a gene? - Wellcome Sanger Institute Blog

    Oct 7, 2025 · A gene is a string of DNA letters that encode a protein - the building blocks of our cells and bodies. One gene encodes one protein. Simple, right? But scratch the surface into …