Hair Part 1
Presentation
•
Science
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12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Abigail Mechler
Used 3+ times
FREE Resource
14 Slides • 10 Questions
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Multiple Choice
Why is hair considered an important type of evidence in criminal investigations?
Because it can reveal the identity of a suspect through DNA analysis
Because it is always present at crime scenes
Because it is easy to collect and analyze
Because it cannot be contaminated
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Multiple Choice
Which of the following statements about isotopes is correct?
Isotopes have the same number of protons but different numbers of neutrons.
Isotopes have different numbers of protons and neutrons.
Isotopes have the same atomic mass but different atomic numbers.
Isotopes are different elements entirely.
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Fill in the Blanks
Fill in the blank: IRMS provides a chemical timeline based on hair
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Multiple Choice
Which scientific technique played a key role in identifying Nikole Bakoles' origin and movement?
DNA fingerprinting
Isotope-ratio mass spectrometry (IRMS)
Gas chromatography
Fingerprint analysis
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Multiple Select
Which of the following are advantages of using hair as forensic evidence?
Resistant to decay
Provides class characteristics
Can connect suspect, victim, and scene
Can determine exact time of death
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Multiple Choice
Which type of DNA is found in hair with a root or follicle?
Nuclear DNA
Mitochondrial DNA
Plasmid DNA
Viral DNA
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Multiple Choice
Which of the following historical events contributed to the development of forensic hair analysis?
1847: Duchesse de Praeslin case
1883: Taylor & Stevenson publish forensic hair illustrations
1910: Balthazard & Lambert studied animal vs. human hair
All of the above
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Fill in the Blanks
In 2015, a DOJ/FBI review found that
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Multiple Select
Select all the modern advances in hair analysis mentioned in the lesson.
Shift to quantitative science
Use of mtDNA sequencing and IRMS
Reliance solely on microscopic comparison
Collaboration between forensic agencies
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Open Ended
What questions do you still have about the use of hair analysis in forensic science or the case study of Nikole Bakoles?
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