About 2,830,000 results
Open links in new tab
  1. DNA - Wikipedia

    Deoxyribonucleic acid (pronunciation ⓘ [1]; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic …

  2. DNA | Definition, Discovery, Function, Bases, Facts, & Structure ...

    Oct 18, 2025 · DNA, organic chemical of complex molecular structure that is found in all prokaryotic and eukaryotic cells and in many viruses. DNA codes genetic information for the …

  3. Deoxyribonucleic Acid (DNA) - National Human Genome …

    1 day ago · Deoxyribonucleic acid (abbreviated DNA) is the molecule that carries genetic information for the development and functioning of an organism. DNA is made of two linked …

  4. What is DNA? Definition, Function & Structure - Cleveland Clinic

    Jul 9, 2025 · DNA (deoxyribonucleic acid) is a set of instructions for creating the proteins that make your body work. Two strands of DNA together form a double helix — a bit like a spiral …

  5. What is DNA?: MedlinePlus Genetics

    Jan 19, 2021 · What is DNA? DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA.

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

    14 hours ago · Genes, DNA, and chromosomes make up the human genome. Learn the role they play in genetics, inheritance, physical traits, and your risk of disease.

  7. What is DNA? Understanding the Blueprint of Life

    Apr 5, 2025 · DNA is the molecule that carries hereditary information from one generation to the next. This means that offspring inherit a combination of genes from their parents, and this …

  8. Definition of DNA - NCI Dictionary of Genetics Terms - NCI

    The molecule inside cells that contains the genetic information responsible for the development and function of an organism. DNA molecules allow this information to be passed from one …

  9. What is DNA, and why it’s a key to understanding life, health, and ...

    Jul 10, 2025 · DNA, or deoxyribonucleic acid, is the genetic material found in all living organisms. It is made of long chains of chemical bases: adenine (A), guanine (G), cytosine (C), and …

  10. What Is DNA? Summary, Structure, and Importance - Healthline

    Feb 11, 2022 · DNA, or deoxyribonucleic acid, is fundamental to your growth, reproduction, and health. Read about its basic function and structures.