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 instructions for the …
DNA | Definition, Discovery, Function, Bases, Facts, & Structure ...
Dec 11, 2025 · DNA is an organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. It codes genetic information for the transmission of inherited traits.
Deoxyribonucleic Acid (DNA) Fact Sheet
Aug 24, 2020 · Deoxyribonucleic acid (DNA) is a molecule that contains the biological instructions that make each species unique.
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.
Simple DNA Explained: What It Is and What It Does
Aug 5, 2025 · Deoxyribonucleic acid, commonly known as DNA, serves as the fundamental blueprint for all living organisms. This complex molecule contains the instructions that guide the development, …
A hidden world inside DNA is finally revealed | ScienceDaily
Jan 9, 2026 · DNA doesn’t just sit still inside our cells — it folds, loops, and rearranges in ways that shape how genes behave. Researchers have now mapped this hidden architecture in unprecedented …
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 genetic …
What Is DNA? Summary, Structure, and Importance - Healthline
Aug 14, 2019 · DNA, or deoxyribonucleic acid, is fundamental to your growth, reproduction, and health. Read about its basic function and structures.
DNA Definition: Shape, Replication, and Mutation - ThoughtCo
May 17, 2025 · DNA (deoxyribonucleic acid) is a type of macromolecule known as a nucleic acid. It is shaped like a twisted double helix and is composed of long strands of alternating sugars and …
What is DNA? Definition, Function & Structure - Cleveland Clinic
Jul 7, 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 staircase.