Discuss dna as an indispensable forensic science tool.

Your assignment is to prepare and submit a paper on dna as an indispensable forensic science tool. Bases on each strand align in a double-helix configuration known as base pairing. Order of the bases distinguishes different DNA strands (Richard, 2007). When doing the DNA testing it is then taken from two sources the cell’s nucleus and the cell’s mitochondria.

The use of scientific principles to the art of criminal investigation in forensic science. It is a valuable tool in which jurors tend to rely therefore it calls for accuracy and reliability in order to help prevent wrongful convictions. Some of the crime scene investigations that have been done by the forensics are the hair analysis.

DNA is the genetic code for producing proteins made by combining amino acids. Each group of three nucleotides e.g. G-A-G codes for the amino acid called glutamine while C-G-T codes for alanine. Protein is not likely to function well if a nucleotide change and becomes the basis for diseases and health issues. The proteins produced have roles such as enzymes that are meant to speed up the chemical reaction. Cell transport protein is responsible for the association in the movement of materials in the cell.

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It is a process in which the DNA copies. It happens before the production of gametes or reproductive cells. Replication of the DNA begins with the unwinding of the DNA strand of the double helix. Once each strand is exposed to a free collection of nucleotides it will be used to recreate the double helix by base pairing. Polymerase enzymes are responsible for unwinding, keeping and assembling new strands of DNA. The technique used for replicating small quantities of broken pieces of DNA in a crime scene outside a living cell is Polymerase chain reaction. Forensic scientists have been able to make billions of copies of DNA strands in the laboratory as a process of mimicking the DNA replication.

DNA fingerprint uses the process of gel electrophoresis where the jelly-like substance is used to separate DNA into different sized particles.&nbsp.

 
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