Serious Problems with DNA Fingerprinting
Is there any piece of physical evidence so foolproof it could be used to prove or disprove anyone's case in a trial? Many people believe the answer to this question is DNA. In theory, this argument is true, but many believe certain factors can lead to inconsistent data gathered from DNA. There are many differing opinions on how DNA should be used, or if it should be used at all.
Many people are uninformed about what DNA actually is or how it is used in criminal trials. DNA is the generic term for deoxyribonucleic acid. It is a molecule found throughout the entire body that determines all inherited characteristics (Forensic Testing Division, 1998). Someone receives half of his or her genetic makeup from each biological parent, making each person's genetic makeup unique, except for identical twins.
Since the genetic makeup of each individual is entirely different from another, it is believed that DNA can be used to prove exactly who was at a crime scene and who was not. The process to determine whose DNA has been gathered at a crime scene is known as DNA fingerprinting. In actuality, only 2% of DNA are genes; the rest is called "junk DNA" which biological purpose is unknown (Verrengia, 1997). Junk DNA is what is mainly used in DNA fingerprinting.
DNA can be found in many different substances including hair, saliva, blood, and other fluids or tissues. That junk DNA found in these substances are tested in different ways including Restriction Fragment Length Polymorphism and Polymerase Chain Reaction. These tests are usually referred as the RFLP and PCR tests, respectively.
In these tests, DNA is exposed to enzymes which cause the strands t...
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According to the case, the problem with production was the lead time. Due to the timing in supply of the painted bottles and the lengthy brewing process, the company could not provide beer to their distributors at any time they needed it.
This report addresses the issue of whether Amsterdam Brewery should invest and promote new products or continue to focus on current products. And, whether Jeff Carefoote should pay attention to whole brands or spent expense to increase brewing capacity. The report describes a strategic plan to ensure Amsterdam Brewery’s competitiveness in the market.
By the end of 1994, even this brewery failed to satisfy the increased demand and plans were made for a new brewery which opened in May 1996 in Denver. This brewery had a maximum output of 60,000 barrels per year after expansion.
How these factors enabled MMBC to create such a strong brand; and why, despite its strong brand, MMBC was experiencing a decline in 2005. I will show that the decline is due to changes in beer drinking patterns, markets, and demographics in the region as well as the U.S. in general.
Abstract; This paper explors the effects DNA fingerprinting has had on the trial courts and legal institutions. Judge Joseph Harris states that it is the "single greatest advance in the search for truth since the advent of the cross examination (Gest, 1988)." And I tend to agree with Judge Joseph's assertion, but with the invention and implementation of DNA profiling and technology has come numerous problems. This paper will explore: how DNA evidence was introduced into the trial courts, the effects of DNA evidence on the jury system and the future of DNA evidence in the trial courts.
Another example of a lack of communication from the poem Gray explains, "No matter how many times she tells him that he's not listening, he doesn't get it and keeps doing the same thing. She wants empathy, but he thinks she wants solutions" (Gray 15). This theory relates to the poem "Home Burial," because the wife wants her husband to show empathy about the child's death. The husband, however, does not seem to have the empathy she ...
...ide evidence to a jury. The jury discusses the evidence that was provided and make a decision, which all have to agree on. The evidence has to be beyond a reasonable doubt. I just can not believe that people can get convicted of a crime if their DNA is not present at a crime. With that being said, I feel that DNA profiling is a great technique to use to convict a guilty person for the crime they committed or to exonerate an innocent person for the crime they did not commit.
Forensic genetics has other applications . The " fingerprint " DNA represents a valuable tool for forensic science . As is the case with an ordinary fingerprint genetic fingerprint is unique to each individual (except identical twins ) . The determination involves the observation of specific DNA sequences which can be obtained from extremely small tissue samples , hair, blood or eventually left at the scene . As Fifty microliters of blood, semen or five microliters of ten roots of hairs are enough , and nozzles secretions and cells from the fetus . In addition to its use in the capture of criminals , especially rapists , the genetic fingerprints can be used to establish family relationships . People involved in the conservation of species use them to be sure that captive breeding is among individuals who do not belong to the same family .
Forensic Scientists can extract semen from a rape victim and use it to help identify the criminal. The semen extracted contains traces of DNA. Deoxyribonucleic acid, also known as DNA, is “the hereditary material in humans and almost all other organisms” (“What is DNA?”). Similar to fingerprints, no two persons have identical DNA with the exception of identical twins. The FBI began using DNA testing in criminal investigations in 1998 (Hays). In 1994, Congress authorized the Combined DNA Index System, also known as CODIS (Hays). This is a system of DNA records from national, state, and local crime labs (Hays). It contains more than four million DNA samples from convicted offenders, and more than 160,000 samples from crime scene evidence (Hays)...
Advances in Science and Genetic Research have significantly impacted the criminal justice system. With the development of programs aimed at utilizing biological or genetic samples collected from potential suspects of a crime, investigators are able to compare the samples against samples collected from the crime scene. One of the most widely-known programs, the Combined Deoxyribonucleic Acid Index System (CODIS), was developed as a law enforcement resource to compare new samples of Deoxyribonucleic Acid (DNA) against the registered DNA samples of “convicted offenders, unsolved crime scene evidence, and missing persons across local, State, and national databases” (Office of Justice Programs, 2011). Scientific and government research identifies the program’s efficacy is a result of the increasing number of criminal case closures from cross-referencing suspect DNA samples against samples in the DNA database. Alternately, there is equal concern for the efficiency and effectiveness of utilizing the CODIS program in criminal investigations, based on the overwhelming backlog of collected and unregistered samples.
In his narrative poem, Frost starts a tense conversation between the man and the wife whose first child had died recently. Not only is there dissonance between the couple,but also a major communication conflict between the husband and the wife. As the poem opens, the wife is standing at the top of a staircase looking at her child’s grave through the window. Her husband is at the bottom of the stairs (“He saw her from the bottom of the stairs” l.1), and he does not understand what she is looking at or why she has suddenly become so distressed. The wife resents her husband’s obliviousness and attempts to leave the house. The husband begs her to stay and talk to him about what she feels. Husband does not understand why the wife is angry with him for manifesting his grief in a different way. Inconsolable, the wife lashes out at him, convinced of his indifference toward their dead child. The husband accepts her anger, but the separation between them remains. The wife leaves the house as husband angrily threatens to drag her back by force.
DNA profiling has been one of the biggest advances in technology and science in the 20th century due to its efficiency in the identification of individuals. It is commonly used by forensics scientist for identification of suspects or individuals in crime scenes. DNA profiling as it is today, was developed by two independent studies in molecular biology that occur during the same period of time, in two different places, and by two different scientists. In 1985, Alec Jeffreys developed a technique called DNA fingerprinting, which has been known as DNA profiling. And Kary Mullis invented the polymerase chain reaction which is a biochemical technology in molecular biology used to amplify one single sample of DNA across many orders of magnitude generating millions of copies of an specific DNA sample.
relationship problems between men and women because of the fundamental psychological differences between them. The author represents men and women from two different planets. Men are from Mars and women are from Venus. This book also states the difference of values of men's and
What is DNA? DNA is deoxriybonucleic acid which is a molecule that is in a double-helix structure described by James Watson and Francis Crick in 1953. DNA contains our genetic code which is composed of triphosphate molecules, which are also known as the ‘building blocks’ of DNA. There are four bases included in the DNA molecule they are called the four nitrogenous bases. The bases are Thymine, adenine, guanine (purines), thymine and cytosine (pyrimidines) (http://forensicsciencecentral.co.uk/dna.shtml). This shows that DNA isn’t so easy to understand, there is certain bases to make up the DNA molecule. This is important because it helps compose the pieces to DNA and helps find traces to the victim. “The more useful sources include blood, semen, vaginal fluid, nasal secretions and hair with roots” (http://forensicsciencecentral.co.uk/dna.shtml). This quote is important because it singles out the most occurrence of DNA. In order for DNA testing to take place scientists will have t...
It is apparent that the only thing constant in business is change. Organizational change is often an overwhelming challenge for business leaders, managers and employees alike. The need for change may be the result of market shifts, economic environment, technology advancements or changing work force skill-set demands. Today Organizational change occurs for reasons that originate external to the organization (Chandler, 1996: Hannan & Freeman, 1984), as well as internal to the organization (Baker 1990: Prechel 1994). Thus, External constraints, internal constraints, resource dependency and increasingly growing competitive markets force organizations to change in order to maximize economic potential. Although organizational changes are usually a response in reaction to an event, companies and leaders should still expect to encounter issues. Organizations need to be more proactive and contingent on how to handle the problems that will inevitably come about. This will make the process of organizational change go smoothly as well as reduce resistance through proper management techniques. Resource dependency argues that both environmental and organizational constraints impact organizational change (Pfeffer & Salancik, 2003).