Module Nine: Lab Questions
Which technique is the best choice when blood is found at a crime scene? In the genetics laboratory (under "resources" at the bottom of the window), who is one individual that contributed to modern genetic analysis? What did this person contribute? The genetics laboratory is the best choice when blood is found at a crime scene. Alec Jefferys contributed to modern genetics analysis by inventing what is now an essential technique called a polymerase chain reaction. How are computers used in fingerprint analysis?
They are used to identify minutiae which may be loops, dots, forks, islands and so forth. Comparison points must be perfectly matched for two fingerprints to be considered identical Who is a pioneer in fingerprint analysis? Describe a famous case that this person was involved in. Edward Foster testified as a fingerprint expert in a case called caution fresh paint in 1911. Fingerprints in the wet paint next to a murder victim were the only clue, he used those prints to demonstrate to the court that the prints of one man was a match and he was convicted for the crime What is the role of the forensic chemist in crime scene investigation? They analyze all chemical, organic and inorganic aspects of a sample. They separate the components and identify them using a variety of tests and devices. Who helped pioneer forensic chemistry? Describe one of her famous cases. France McGill was one of the pioneers that helped forensic chemistry, when he examined the stomach of an elderly couple who had died she found a large quantity of strychnine which is a powerful poison that was along with bran. The murder weapon was soon identified they were eating bran muffins baked by their granddaughter that was intended for her father. She was charged with murder and then acquainted In the ballistics laboratory, what is the water tank used for? Describe the analysis. To determine whether a bullet found at the crime scene actually came from the...
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