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What is DNA fingerprinting? flashcards
What is DNA fingerprinting? flashcards
Disadvantages of DNA profiling
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Biotechnology is the use of living matter in order to develop or recreate products. Biotechnology has been used for many centuries; from making bread and cake with yeast, brewing various alcoholic drinks using fermented fruits and using a bacteria called Lactobacillus to convert milk to yogurt and cheese. With technology continually advancing, biotechnology is now used for discovering and understanding genes and their functions. It is also used for making DNA markers and genetic modifications. Genetic fingerprinting (most commonly called DNA fingerprinting), is an example of an application of biotechnology, requiring a DNA marker to determine a person’s identity.
DNA fingerprinting was first discovered by Professor Alec Jeffreys and his workmates in September 10, 1984, in the University of Leicester. They’ve accomplished this by a
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Researchers could provide this particular information to doctors. In this way, doctors could now cure their patients as well as give them advice in preventing the disease. Parents who have inherited genetic disorders could also seek out genetic counsellors who could conduct a DNA fingerprinting process, and ask ways in taking care of their affected child. If a genetic disorder has been detected at an early age, it can be easily treated and cured.
Although there are some benefits to using DNA fingerprinting, there are also some drawbacks to it. A disadvantage to DNA fingerprinting is the possibility of error. If the person analysing the DNA fingerprint is not knowledgeable enough, or has made some sort of mistake in the process, the result of the experiment will not be, as they say, “100% accurate”. Some scientists find it hard to analyse DNA fingerprints because they are smaller than the naked eye. When this happens, it creates a ripple effect to other ethical
DNA fingerprinting, or sometimes known as DNA typing, is isolating and developing images of sequences of DNA to evaluate the DNA in an individual’s cells. DNA fingerprinting today is used for many different things in many different areas of science. In forensic science, DNA typing can determine which person did which crime by using blood or skin left at a crime scene. In medical science, patients can find out who their siblings, parents, or children are by using DNA fingerprinting (webmd).
...hich inherited traits, such as those for genetic disease, can be tracked over generations. Throughout out the course of human development, scientists will continue to find new new ways to help the human race through the discovery of the human gene inside of each of us, its uses, as well as complications, that can help the survival of our species.
Although people in society may have been wishing as a kid that they could go out and catch the bad guy with only a fingerprint and some DNA. It has been proven that this is not as simple as TV shows and/or movies make it out to be. From spending up to four years in college to obtain a certain degree to actually being able to make into this field to be one of the many humans who get to experience what it is like to be a part of catching the bad guy. It takes a lot of hard work, dedication and patience but once one is able to reach this goal it would be noticed that all the blood, sweat, and DNA was all worth it.
DNA in forensic science has been around for a long time. DNA has had help in solving almost every crime committed. There have been a lot of crimes where people are raped or murdered and the person who did it runs free. Scientists can collect the littlest item they see at the scene, such as a cigarette butt or coffee cup and check it for DNA. People have spent years in jail for a crime they didn’t commit till DNA testing came into effect. People are getting out of jail after 20 years for a crime they didn’t commit, cause of the DNA testing. DNA has helped medical researchers develop vaccines for disease causing microbe. DNA has become a standard tool of forensics in many murders and rapes.
Deoxyribonucleic acid (DNA) is an acclaimed extraordinary discovery that has contributed great benefits in several fields throughout the world. DNA evidence is accounted for in the majority of cases presented in the criminal justice system. It is known as our very own unique genetic fingerprint; “a chromosome molecule which carries genetic coding unique to each person with the only exception of identical twins (that is why it is also called 'DNA fingerprinting ')” (Duhaime, n.d.). DNA is found in the nuclei of cells of nearly all living things.
"Using DNA to Solve Crimes." U.S. Department of Justice: National Institute of Justice. (September 9, 2014). Web. 29 May 2015.
Fingerprint usage dates back to the 1800s. Sir William Herschel used the prints as signatures on civil contracts, before they were found useful towards crimes (History of Fingerprints Timeline, 2012). A British surgeon, Dr. Henry Faulds, wrote about using fingerprints for personal identification. He first looked at prints on clay pottery and studied the ridges and patterns that they had made in the clay. In 1891, Juan Vucetich suggested to start fingerprinting criminals to keep the prints on record. The following year, Vucetich identified a print from a woman who killed her two sons. Investigators found her print and were able to correctly match her identity. Charles Darwin’s cousin, Sir Francis Galton, wrote and published the first book about fingerprints. He wrote about how every individual has a unique print by the certain traits of each fingerprint (History of Fingerprints, 2012). The popularity of fingerprints grew greatly in the United States in the early 1900s. Police departments and the FBI began to use the...
Parents now have the possibility of testing genes for mutations and genetic problems (BBC News).
The concepts of human enhancement and biotechnology are fairly new terms in the world of ethics and medicine. These words, although far from being unfamiliar, are not often heard in the medical field except in special cases. However, in the past few years, the research and use of biotechnology is on the rise and becoming more prevalent under certain situations. This week’s reading focuses on the issues of biotechnology in a historical and modern context, yet also addresses the pros and cons of such developments.
Any technological application that uses biological systems, living organisms, or derivatives thereof, to make or modify products or processes for specific use to benefit the lives of humans or other organisms, in bettering their lives. (Essays, UK. (November 2013). Can Genetic Engineering Be Regarded As Biotechnology Biology?. April 2014, http://www.ukessays.com/essays/biology/can-genetic-engineering-be-regarded-as-biotechnology-biology-essay.php?cref=1)
... idea to take part in. Genetic testing can lead to a global preparation for parents to look out for their children. The genetic test results can determine so much for the children and what they might get passed down to them whether its diabetes, cancer, or any other illness or disease.
We live in a world that is constantly changing and advancing thanks to technological advancements, especially in the field of molecular genetics. Today, we are discovering and implementing new ways to overcome the ill-fated symptoms developed as a result from poor health or accidents. We are also making advancements in the field of agriculture thanks to molecular genetics. As we all know, food is an essential entity in our lives and is abundant as well as relatively easy to obtain here in the United States. However, as good as it may sound, this is not necessarily true for developing countries. Many people in developing countries receive very little food, if any, due to its scarcity. It is estimated that in Asia alone, close to 800 million people go to bed hungry every night due to food shortage. This problem can be alleviated by turning to the production of genetically modified organisms (a.k.a. GMOs).
Biotechnology is a group of technologies that work together with living cells and their molecules to prolong life (Keener and Hoban et al., 2014). Today biotechnology can be used in a variety of ways such as in an industrial setting where they use it to create enzymes to synthesize chemicals, in an environmental setting where they use it for waste and pollution prevention and lastly it can be used in medical applications such as in pharmaceuticals, genetic engineering, DNA fingerprinting and in lastly it can be used in stem cell therapy (Keener and Hoban et al., 2014). Everyone in today’s society depends and uses biotechnology in one form or another, biotechnology is essential for our health and wellbeing.
Biotechnology in food uses genes of plants,microorganisms and animals that have desired production or nutrition related characteristics. The tools that are used in food biotechnology include traditional breeding ,such as cross breeding,and many modern techniques that have to do with using what is known about genes or orders for specific traits to better the quality and quantity of plant species. Food biotechnology modifies the production of fruits and vegetables that ripen on the vine for a better fresher taste. Different type of foods also benefit from food biotechnology .Foods that are developed using biotechnology are studied very carefully and judge by many governing agencies, health expects and scientists all over the world. Biotechnology can assist in the improve ment of the safety of food by reducing the naturally occurring toxins and allergens in different types of food .Food biotechnology is one of many tools farmers and food producers can use to give a food supply that is affordable,safe,convenient and sustainable
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.