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DNA Is a Genetic Code. Inside every cell in your body, there’s a copy of your DNA - a long string of molecules that makes a literal genetic code. Your cells read that code to figure out what proteins to produce, and the specific proteins your cells make determines everything else about your body, from your hair color, to eye color, to how ...
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Decoding DNA: A Kid's Guide to Genetics • DNA Explained • Join us as we explore the fascinating world of DNA, the blueprint that makes you, you! Discover how...
DNA, or deoxyribonucleic acid, is the molecular basis for inheritance, discovered in the mid-1800s and understood in 1953 with the double helix structure. Composed of a sugar-phosphate backbone and base pairs (adenine-thymine, guanine-cytosine), DNA stores genetic information, replicates, and expresses traits. The human genome contains 6 billion base pairs across 46 chromosomes, making it a ...
Discover the basics of genetics and evolution with this engaging video from Khan Academy. Learn how genes, DNA and chromosomes determine the traits of living organisms.
- 13 min
- Mahesh Shenoy
Apr 8, 2019 · DNA Definition. Deoxyribonucleic acid, or DNA, is a biological macromolecule that carries hereditary information in many organisms. DNA is necessary for the production of proteins, the regulation, metabolism, and reproduction of the cell. Large compressed DNA molecules with associated proteins, called chromatin, are mostly present inside the ...