Please join StudyMode to read the full document. Being able to have this information is a great preliminary defense. Crime Scene Investigation — As the world progresses with new innovations we now have the ability to genetically scan evidence from the crime scene such as fingerprints to find a suspect. Something as small as a strand of hair can lead up to finding a perpetrator. DNA Microchip — Technology is growing daily.
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In: Science. Describe the structure of DNA. DNA molecules are composed of two strands that form a helical ascending spiral. They fit together like the opposing teeth of a zipper and are held together by weak interactions called hydrogen bonds.
DNA fingerprinting is the method of the identification of the individuals on the basis of the analysis of their DNA. Naturally, years ago one will not imagine the connection between the DNA analysis and forensic sciences, but today the issue is quite relevant and is worth attention. Due to the scientific research and discoveries it has become possible to identify the person on the basis of her DNA and this method has become actively applied in forensics. It is obvious that the majority of the people who were accused of committing a crime many years ago were innocent and it was quite difficult to prove their innocence without witnesses and reliable evidence.
Deoxyribonucleic acid or DNA is base of life this double strand long polymer chain is made of nucleotides tide together with strong bond. DNA is hereditary material which is base design of all organisms therefore it is called thread of life without which life is impossible. In living organisms DNA is paired together with strong bond that keeps it held together the two strands are like vines and are like helix. The nucleotide units repeated themselves, though each unit is very small but the chain formed by repetition is very long.
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