The Definition of DNA

892 words 4 pages
DNA:
DNA is a double-stranded nucleic acid that contains the genetic information for cell growth, division, and function. DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Most DNA is located in the cell nucleus but a small amount of DNA can also be found in the mitochondria .The information in DNA is stored as a code made up of four nitrogen bases which are adenine (A), guanine (G), cytosine (C), and thymine (T). these nitrogen bases are bind with each other through hydrogen bond. [1]
History of DNA research

dna structure dna replication
Before a cell can divide, it must duplicate all its DNA. In eukaryotes, this occurs during S phase of the cell cycle.
The Biochemical Reactions * DNA
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Related Reading... * DNA and Ageing * Learn About DNA Structure * Post-Conviction DNA Analysis * DNA Resources and Reading * All About DNA and Proteins * The Properties of DNA
Paternity and Legal Impact
While the discovery of DNA has perhaps impacted medicine the most, its contribution to other areas is still similarly significant. Paternity cases have an enormous impact on families and children around the world. Through the assessment of DNA, the paternity of a child can be identified, which has a significant effect on the child's upbringing and his or her life.
Forensics and DNA
DNA has been notably important to the field of forensic science. The discovery of DNA has meant that the guilt or innocence of a person who is investigated for a crime can be determined. It also means that scarce evidence can still yield vital clues regarding the perpetrator of a crime. Also important is that the identification of victims can occur, particularly in cases where the victim's condition is unrecognisable to family or friends. In this sense, DNA has been important in revolutionising the entire field of forensic science. This impact is felt within the criminal justice system and contributes to the accurate safeguarding of society.
Agriculture and DNA
The impact of DNA on agriculture has been a very important one because it has allowed breeders to facilitate the breeding of animals

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