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Bookmark or Share- DNA: Definition, Structure & Discovery | What Is DNA ...DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
- Dna | Definition of Dna at Dictionary.comDna definition, deoxyribonucleic acid: an extremely long macromolecule that is the main component of chromosomes and is the material that transfers genetic characteristics in all life forms, constructed of two nucleotide strands coiled around each other in a ladderlike arrangement with the sidepieces composed of alternating phosphate and deoxyribose units and the rungs composed of the purine and pyrimidine bases adenine, guanine, cytosine, and thymine: the genetic information of DNA is ...
- DNA Genetic Testing & Analysis - 23andMe*The 23andMe PGS test uses qualitative genotyping to detect select clinically relevant variants in the genomic DNA of adults from saliva for the purpose of reporting and interpreting genetic health risks and reporting carrier status.
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- DNA - H&R BlockLegal Disclaimer: This site and the information contained on this site are intended solely for use by users authorized by H&R Block, Inc., its subsidiaries and affiliates (hereinafter referred to collectively as "H&R Block").
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