Year 9 Forensic Psychology Case 1

Forensic toxicologists

________ test human tissues and fluids for the presence of drugs and chemical substances.

genetic analyzer

A(n) ________ is used to sort DNA markers by size.

primer

The ________ produces the spark to ignite the gunpowder, and the bullet diameter is used to determine the caliber.

Headspace Gas Chromatography

________ is used to test for the presence of alcohol.

DNA

________ is located in the nucleus.

Striations

________ are tiny microscopic scratches on the surfaces of bullets.

Elisa test

A(n) ________ can determine if certain categories of drugs or chemicals are present in a sample, e.g.

DNA

________ is used in crimes to rule out or connect suspects.

There are four steps to processing DNA

extract, amplify, separate, analyze

DNA stands for

deoxyribonucleic acid

a DNA profile is a

summary of one person’s genetic information

CODIS stands for

Combined DNA index system

Polymerase Chain Reactions are used to

copy DNA markers

The Genetic analyser

sorts DNA markers based on their size

__ mL of vitreous humor is drawn for testing

2

__ mL of blood is drawn for testing

30

__ mL of urine is drawn for testing

30

the GC/MS instrument

confirms specific drugs and their presence

Every chemical has _

its own specific pattern of mass spectrum

Rifling is found at the edges of

a barrel

striations are

tiny microscopic scratches left on the surface of a bullet