Fingerprinting
What are the three fingerprint classes?
Arch, loop and whorl
What is the complementary base pairing rule between nitrogenous bases? (DNA chemicals e.g. ATCG)
Adenine with Thymine and Cytosine with Guanine
What is the Victorian version of the CSI?
The Victorian Police Forensic Services Department (VPFSD)
What is the sentence that includes all the letters of the alphabet that we used in the class experiment?
The quick brown fox jumps over the lazy dog.
What are 3 of the topics we've covered in Forensic Science this semester? (identify any 3)
(identify 3 of these - there may be more not listed here)
What is a visible print?
A print left by a finger that has touched a coloured material
How does DNA multiply?
By unwinding, splitting and creating a new DNA molecule from each strand
What is the first step when a detective arrives at a crime scene?
Interviewing the victim or first-responding officer.
What is document analysis?
Document analysis is the examination and comparison of questioned documents with known material.
What is chromatography?
Chromatography is a method for analysing mixtures by separating them into the chemicals from which they are made. It can be used to separate mixtures like ink, blood, gasoline, and lipstick.
Which country requires more matching points in fingerprint identification than Australia that was mentioned in the powerpoint?
UK
What percentage of DNA do we share with cows?
80% (Allowance of 5%)
What are the three main types of evidence?
Trace evidence, physical evidence, testimonials
Why are biometric signature pads useful?
They are useful in upholding security by measuring the speed, pressure and rhythm of a person's signature.
What is forensic science?
Forensics is the term given to an investigation of a crime using scientific means.
Also used as the name of the application of scientific knowledge to legal matters.
Which way does a radial loop go?
Towards the thumb
What is the scientific name for DNA? (points only if you can pronounce it relatively well)
Deoxyribonucleic Acid
What are two types of search methods?
(Any two of these) Spiral search method, grid method, quadrant or zone search, strip or line search (parallel)
What is one type of forgery and how does it work?
(One of these three answers)
Freehand simulation - attempt to copy a signature or handwriting sample
Tracing - placing a new document over the original and tracing it
Disguised writing - Attempting to alter writing so it cannot be traced back
What is a primary crime scene vs a secondary crime scene?
A primary crime scene is the original location of a crime or accident.
A secondary crime scene is an alternate location where additional evidence may be found.
What is the most effective way to visualise latent prints on metal?
The Cyanoacrylate Fuming method
What are two of the three molecules that make up nucleotides?
- A nitrogenous base
- A sugar molecule (deoxyribose)
- A phosphate group
List 5 of the 7 S's of crime scene investigation
1 - Securing the scene
2 - Separating the witnesses
3 - Scanning the scene
4 - Seeing the scene
5 - Sketching the scene
6 - Searching for evidence
7 - Securing and collecting evidence
Identify 4 of the handwriting features/qualities that are examined during handwriting analysis (125 points per quality identified)
- Line quality
- Spacing
- Size consistency
- Continuous
- Connecting letters
- Letters complete
- Cursive and printed letters
- Pen pressure
- Slant
- Line habits
- Fancy curls or loops
- Placement of crosses on t's and dots on i's
Best crime TV show (only one correct answer)