Crime Scenes and Forensics Basics
Fingerprints
DNA
Handwriting
Blood
100
Forensic science involves comparing evidence from a _____ sample to a _____ sample
What is unknown sample to known sample?
100
The 3 specific classes for all fingerprints
What is arch, loop, and whorl?
100
This is what DNA stands for
What is deoxyribonucleic acid?
100
The act of falsely making, altering, or imitating (as a document or signature) that is not yours
What is forgery?
100
A dispersion of blood spots of varying size, created by an external force
What is blood spatter?
200
This is drawn when a body needs to be removed from a crime scene
What is a body outline?
200
Most fingerprints are invisible to the naked eye but can be made visible by the use of this substance
What is powder?
200
The letters used to describe the genetic sequences of DNA
C, A, G, T
200
The process of comparing an unknown writing sample with a sample from a known writer and determining whether the two samples belong to the same person
What is handwriting analysis?
200
A type of blood spatter that is formed by an object directly striking a source of exposed blood
What is impact spatter?
300
Evidence that is found at the place where crime did not take place
What is secondary evidence?
300
Fingerprint evidence is good, but humans aren’t perfect, so it can be s_________
What is subjective?
300
The term used to refer to the shape of DNA
What is double helix?
300
Other than their hands, an individual's handwriting can be recognized when writing with these two other body parts
What is mouth and feet (between toes)?
300
A type of blood spatter that is formed from blood leaving an object due to its motion
What is castoff spatter?
400
The path which is used by the offender to come to the scene of crime
What is the line of approach?
400
These two fluids are left behind on the surfaces of the things we touch
What is sweat and oil?
400
In a genetic code, this letter always pairs with C
What is G?
400
This sentence is used to analyze handwriting because it includes every letter in the alphabet
What is "The quick brown fox jumps over the lazy dog"?
400
A bloodstain that looks like this is known as what?
What is transfer stain?
500
Forensic scientists want to find the truth, so their investigations should be o________
What is objective?
500
A fingerprint that looks like this is known as what?
What is a double loop whorl?
500
This is a specific pattern of DNA attributes that is obtained in a laboratory and can be used to identify a specific individual
What is a DNA profile?
500
An individual cannot exactly reproduce their own handwriting because of this principle
What is variation/natural variation?
500
Draw what a bloodstain traveling from left to right will look like up here on the whiteboard
Hopefully you got that right