Forensic Science Module Four – Flashcards
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When hair samples are taken, they are generally cut off about half way to the root.
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False
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The morphology of a hair sample can tie the hair to a single person.
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False
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DNA is not always available in a hair sample.
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True
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The properties of hair do not change as we age.
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False
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At most crime scenes, investigators will only be able to recover partial fingerprints.
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True
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When a blood drop lands on a surface at a 90-degree angle, what shape is the drop in typically?
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A circle
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How much does hair grow on average in one month?
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One centimeter
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A hair's form and structure is known as what?
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Morphology
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The first system to classify blood types is known as which of the following?
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A-B-O System
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What type of DNA is easiest to collect?
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Mitochondrial DNA
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What is the most common type of fingerprint?
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Loops
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What test may be used to determine if a stain is blood or not?
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Kastle-Meyer Color Test
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What gives fingerprints their unique characteristics?
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Ridge characteristics
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How many full-length strands of hair are collected from the scalp to use as a sample?
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50
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If a fingerprint is discovered on a dark surface, what color fingerprint powder might be used?
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Grey
