Unit Four Text Questions What are the three types of fingerprints found in the human population? How often does each occur? Answer: Three types of fingerprints found in the human population are loop where 60 to 65 percent of the population has them‚ whorl where 30 to 35 percent have them‚ and arch where about 5 percent have them. What is a medulla? What do forensic scientists use this for? Answer: Medulla is a set of cells that runs through a hair. They use it to compare and identify hair. What
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unpredictable reality and bury themselves in a world filled with happiness and true love. As the predictable endings led to the vanishing of what was once my only passion‚ the newfound discovery of science ignited my curiosity. It wasn’t until my eleventh grade forensic science class that I realized science was my new reading. I was mesmerized; the free time I set aside from my academic and extracurricular commitments was devoted to researching online or finding extended information in a book‚ absorbing
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cell nucleus. 3. CODIS is a software program that contains the DNA profiles of convicted offenders‚ missing persons‚ crime scene evidence‚ and other sources. CODIS works by attempting to match the samples of DNA based on the thirteen different regions or loci within the nuclear DNA. 4. Complimentary base patterns are pairs that always pair up together. Complimentary base patters are so important because the four bases make up DNA 5. RFLP is described as the method in which DNA is studied‚ by using
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For my forensic science career research I chose toxicology.i chose it because I was interested in the topic and wanted to find out more about it. A toxicologist finds out how harmful and dangerous chemicals can be to us. In the toxicology field‚you get big work space with self storage for evidence‚ individual spot ventilation‚ a fume hood and a safety cabinet. How closely you are supervised can vary based on your rank. Some people are self employed so they arent being watched. Others who work for companies
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is DNA? Where is it found? DNA is deoxyribose nucleic acid. It contains genetic information. Found pretty much anywhere; including saliva‚ hair strand‚ etc. 2. What is mitochondrial DNA? DNA located in the mitochondria 3. What is CODIS? How does it work? CODIS is the combined DNA identification system. It has a database full of DNA samples from criminals and others who voluntarily gave their DNA. 4. What are complimentary base patterns? Why are they important? Adenine‚ thymine‚ cytosine‚ and
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Forensic Science: Analytical Techniques Unit 6 Project Student: Steve Gregory Kaplan University CJ385-01 Professor: Al Luckas Forensic Chemistry and Trace Evidence Analysis Author S. Gregory October 31‚ 2011 Forensic scientists are governed by a process that is known as the scientific method. The scientific method adheres to strict guidelines which will ensure the careful and systematic collection‚ organization‚ and analysis of
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03.04 Soil and Impressions Soil For the forensic scientist‚ soil is more than dirt. Soil is thought of as surface material from the earth‚ both natural and artificial. In other words‚ soil includes not only dirt but also rocks‚ animal material‚ and vegetation that lie near the surface of the ground. In addition‚ it may include pieces of glass‚ fragments of brick or stone‚ and pieces of asphalt. The combination of things in the soil may help link a suspect to the crime scene if the soil is somehow
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challenges for forensic scientists in dealing with fiber evidence? Some of the challenges for forensic scientists in dealing with fiber evidence are that they have to look at every small piece of evidence. 2. What does it mean if a paint sample "matches" a known sample from a vehicle? Does this indicate the same source? Why or why not? If a paint sample matches a known sample then that means the same make and model of a car (mostly likely the same car) has been involved in two cases. This does indicate
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Dakota Crater Forensic Science II Unit 8 Quiz Game 1. This database collects and publishes crime data for the US. Answer: Uniform Crime Reporting 2. This database is maintained by the US Bureau of Alcohol‚ Tobacco‚ Firearms‚ and Explosives (ATF). Answer: National Integrated Ballistic 3. This system is used for individuals who are trying to purchase a firearm. Answer: Instant Criminal Background 4. This is the central database for crimerelated information. Answer: National Crime information center
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prints belonged to Thomas Jennings who was caught running away from the scene. 4. What is the role of the forensic chemist in crime scene investigation? The forensic chemise analyzes chemical‚ organs and inorganic aspects of samples. They then separate the components and identify them by doing a variety of tests. What they find is used as evidence in court. 5. Who helped pioneer forensic chemistry? Describe one of her famous cases France McGill did. One of her famous cases involved the death
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