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Forensics Review Semester 1 with some Ch. 7 DNA questions

Total questions: 84

Worksheet time: 59mins

Name
Class
Date
1.

What is NOT a kind of fingerprint feature?

a)

wirl

b)

loop

c)

arch

2.

The practice of utilizing fingerprints as a means of identification is called

a)

dermal papille

b)

fingerprinting

c)

dactyloscopy

d)

ridge arrangement

3.

The ridge arrangement on every finger is unique.

a)

True

b)

False

4.

The most common fingerprint pattern is

a)

loop (also called ulnar loop)

b)

central pocket loop

c)

plain arch

d)

plain whorl

5.

The least common type of fingerprints are

a)

whorls

b)

arches

c)

loops

6.
Identify the fingerprint pattern as shown.
a)
whorl
b)
loop
c)
arch
7.
The area indicated by "A" in the diagram is known as a 
a)
Core
b)
Delta
c)
Whorl
d)
Arch
8.
Identify the fingerprint
a)
Arch
b)
Loop 
c)
Whorl
d)
Swirl
9.
Identify this fingerprint
a)
Arch
b)
Loop
c)
Whorl
d)
Swirl
10.

Under which circumstances have two people been found to have identical fingerprints?

a)

identical twins

b)

fraternal twins

c)

members of the same immediate family

d)

none to date, ever

11.
Fingerprints remain the same over time.
a)
true
b)
false
12.
A minutiae pattern that looks like a 2 pronged fork is a bifurcation.
a)
True
b)
False
13.
What type of print is not visible but made so by dusting with powders or the use of chemicals?
a)
Patent
b)
Latent
c)
Plastic
14.

Identify this fingerprint.

a)

central pocket whorl

b)

plain arch

c)

tented arch

d)

plain whorl

15.

Identify feature at Location 1

a)

fork / bifurcation

b)

central core

c)

ending ridge

d)

short ridge

16.

Identify feature at Location 2

a)

fork / bifurcation

b)

central core

c)

ending ridge

d)

short ridge

17.

Identify feature at Location 3

a)

fork / bifurcation

b)

central core

c)

ending ridge

d)

short ridge

18.

Identify feature at Location 4

a)

fork / bifurcation

b)

central core

c)

ending ridge

d)

short ridge

19.

Identify the feature:

a)

hook

b)

eye

c)

crossover

d)

delta

20.

The documented and unbroken transfer of evidence

a)

circumstantial evidence

b)

class evidence

c)

individual evidence

d)

chain of custody

21.

Circumstantial evidence is also known as ...

a)

direct evidence

b)

indirect evidence

c)

individual evidence

d)

datum point

22.

Evidence used to imply a fact but not support it directly is called...

a)

direct evidence

b)

trace evidence

c)

circumstantial evidence

d)

individual evidence

23.

Material that connects an individual or thing to a certain group such as an ABO blood type is called...

a)

class evidence

b)

individual evidence

c)

direct evidence

d)

circumstantial evidence

24.

Evidence that identifies a particular person or thing, such as DNA or fingerprint is known as ...

a)

class evidence

b)

direct evidence

c)

individual evidence

d)

circumstantial evidence

25.

A multi-disciplinary approach in which scientific and legal professionals work together to solve a crime

a)

first responder

b)

crime scene reconstruction

c)

deductive reasoning

d)

crime scene investigation

26.

A hypothesis of the sequence of events from before the crime was committed through its commission.

a)

first responder

b)

deductive reasoning

c)

crime scene reconstruction

d)

crime scene investigation

27.

A permanent, fixed point of reference used in mapping a crime scene

a)

paper bindle

b)

subdatum point

c)

datum point

d)

primary crime scene

28.

Evidence, that if authentic, supports the facts of the case

a)

direct evidence

b)

indirect evidence

c)

circumstantial evidence

d)

secondary crime scene

29.

The first safety official to arrive at a crime scene

a)

crime scene investigator

b)

suspect

c)

first responder

d)

medical examiner

30.

A folded paper used to hold trace evidence, sometimes called a "druggist fold" is called a ________ __________.

(a)  

31.

The location where the crime took place is known as the...

a)

secondary crime scene

b)

primary crime scene

c)

victim's home

d)

suspect's hideout

32.

A location other than the primary crime scene, but that is related to the crime; where evidence is found

a)

primary crime scene

b)

secondary crime scene

c)

tertiary crime scene

d)

subdatum point

33.

Small but measurable amounts of physical or biological material found at the crime scene is known as (a)   evidence.

34.

Locard's Exchange Principle states that ...

a)

when objects come into contact with each other, there is never an exchange of material.

b)

evidence may be physical or biological.

c)

contacts between people and objects during a crime can result in a transfer of material.

d)

documentation of a crime scene must be done with notes, sketches and photographs.

35.

What are the seven S's of crime scene investigation?

4 lines
36.

Geometrically shaped; fibers composed of polymers packed side by side, which makes them stiff and strong

a)

amorphous

b)

crystalline

c)

synthetic fiber

d)

natural fiber

37.

The passing of evidence, such as a fiber, from victim to suspect or vice versa

a)

secondary transfer

b)

chain of custody

c)

fiber

d)

direct transfer

38.

The smallest indivisible unit of a textile; it must be at least 100 times longer than wide

a)

textile

b)

fabric

c)

fiber

d)

yarn

39.

A microscope that uses infrared light (light waves found between visible light and microwaves) as its source for viewing a sample’s heat profile

a)

polarizing microscope

b)

infrared microscope

c)

scanning electron microscope

d)

ultraviolet (fluorescent) light microscope

40.

A collection of mineral crystals formed into a recognizable pattern

a)

mineral fibers

b)

fibers

c)

natural fibers

d)

synthetic fibers

41.

Small, repeating molecules that can link to form polymers

a)

monomers

b)

polymers

c)

cells

d)

atoms

42.

A fiber produced naturally and harvested from animal, plant, or mineral sources

a)

synthetic fiber

b)

manufactured fiber

c)

natural fiber

d)

textile

43.

A microscope that uses a beam of electrons to produce a 3D view of a very small sample under great magnification up to 10,000,000 times

a)

polarizing microscope

b)

infrared microscope

c)

scanning electron microscope

d)

ultraviolet (fluorescent) light microscope

44.

A substance composed of long chains of repeating molecules (monomers)

a)

monomer

b)

mineral

c)

polymer

d)

warp

45.

The transfer of evidence such as a fiber from a source (for example, a carpet) to a person (suspect), and then to another person (victim)

a)

evidence

b)

secondary transfer

c)

primary transfer

d)

synthetic fiber

46.

A fiber made from a manufactured substance such as plastic

a)

synthetic fiber

b)

natural fiber

c)

hair

d)

weft

47.

A flexible, flat material made by interlacing yarns (or “threads”)

a)

monomer

b)

yarn

c)

fiber

d)

textile

48.

A microscope that uses light waves between visible light and X-rays as its light source to produce various identifying colors in a sample

a)

infrared microscope

b)

polarizing microscope

c)

scanning electron microscope

d)

ultraviolet (fluorescent) light microscope

49.

Fibers that have been spun together

a)

weave

b)

weft

c)

yarn

d)

textile

50.

What is gel electrophoresis?

a)

A lab technique to copy a DNA strand outside a living cell

b)

A lab techniques in which specific regions (loci) are evaluated; the FBI uses 13 of these loci in CODIS

c)

A lab technique used to separate segments of DNA or proteins according to the size of the segment and the relative electric charge of that segment.

d)

small pieces of DNA that bind to a complementary sequence in the sample

51.

Nucleotides are the building blocks, or monomers, of....

a)

proteins

b)

DNA

c)

lipids

d)

carbohydrates

52.

According to the complementary base-pairing rules, thymine pairs with...

a)

guanine

b)

cytosine

c)

thymine

d)

adenine

53.

According to the complementary base-pairing rules, guanine pairs with...

a)

guanine

b)

thymine

c)

cytosine

d)

adenine

54.

The production of proteins are directed by the polymer known as ...

a)

DNA

b)

protein

c)

amino acids

d)

nucleotides

55.

Amino acids are the building blocks, or monomers, of ....

a)

DNA

b)

proteins

c)

amino acids

d)

nucleotides

56.

What was the purpose of the Human Genome Project?

a)

to create a new human genome from scratch

b)

to create clones of humans and have them live on an island in order to have spare body parts for transplant

c)

to free innocent defendants who were convicted on faulty or problematic evidence

d)

to determine the order of all the bases on all 23 pairs of chromosomes

57.

What is PCR (Polymerase Chain Reaction)?

a)

Site on DNA where a restriction endonuclease (enzyme) cuts DNA

b)

Technique for analyzing the variable lengths of DNA fragments resulting from the action of restriction enzymes

c)

Technique in which specific regions (loci) are evaluated; the FBI uses 13 of these loci in CODIS

d)

The lab technique to copy DNA outside the cell in order to amplify or make many copies of the DNA

58.

What is mitochondrial DNA (mtDNA)?

a)

DNA found in the nucleus of a cell

b)

DNA found outside the nucleus that is often found in hair, bone and teeth.

c)

DNA found in a ribosome

d)

none of the above

59.

What information can be obtained from the amelogenin gene during STR analysis?

a)

genotype for eye color

b)

heterozygosity at the vWA loci

c)

gender of the DNA contributor

d)

homozygosity at the vWA loci

60.

On an electropherogram, alleles are represented by...

a)

peaks on a graph

b)

letters like AA or Aa

c)

blue dots on a test strip

d)

band on an autorad

61.

If there is only one allele (one peak) on the electropherogram for a particular locus, what does that tell you about the genotype?

a)

the genotype is heterozygous

b)

the genotype is codominant

c)

the genotype is homozygous

d)

the person did not inherit any allesl for that STR loci

62.

How many STR regions are analyzed for CODIS in the U.S.?

a)

2

b)

10

c)

15

d)

13

63.

The portions of the DNA molecule that are useful for DNA typing are sections that..

a)

are short base sequences that are repeated many times

b)

are useful for the production on insulin

c)

code for the production of proteins

d)

are useful for recombinant DNA and making vaccines

64.

What is a locus (plural = loci)?

a)

the swarm that locusts fly in

b)

the graph that results from performing a STR analysis

c)

a site or location on a chromosome

d)

a peak on an electropherogram

65.

Gel electrophoresis is used to...

a)

Collect DNA

b)

Exonerate those wrongfully accused

c)

Separate DNA into bands

d)

Compare DNA samples to a maternal family member

66.

Which part of the hair can be analyzed for nuclear DNA?

a)

Root with follicular tag

b)

shaft

c)

tip

d)

medulla

67.

Animal hair can be distinguished from human hair because animal hair generally has a patterned medulla, while in humans, the medulla may be absent

a)

True

b)

False

68.

This hair structure has patterns such as coronal, imbricate and spinous.

a)

medulla

b)

cortex

c)

follicular tag

d)

cuticle

69.

This hair structure has patterns such as fragmented, interrupted, solid (continuous) or absent

a)

medulla

b)

cortex

c)

cuticle

d)

follicular tag

70.

What phase of hair growth is hair in when it is shed and naturally falls out of the skin?

a)

anagen

b)

catagen

c)

telogen

d)

telophase

71.

What is the correct order of hair growth?

4 lines
72.

A type of fibrous protein that makes up the majority of the cortex of hair

a)

melanin

b)

chlorophyll

c)

keratin

d)

elastin

73.

Process that relies on determining the concentrations of elements in materials by creating radioactive decay paths

a)

comparison microscope

b)

gas chromatography

c)

IRMS (isotope ratio mass spectrometry)

d)

NAA (Neuron Activation Analysis)

74.

Technology that allows examiners to analyze ratios of isotopes of each of O, H, C, N & S.

a)

comparison microscope

b)

gas chromatography

c)

IRMS (isotope ratio mass spectrometry)

d)

NAA (neutron activation analysis)

75.

Compound microscope that allows the side-by-side comparison of samples such as hair or fibers

a)

electron microscope

b)

comparison microscope

c)

NAA

d)

IRMS

76.

Central core of a hair

a)

medulla

b)

cuticle

c)

cortex

d)

root

77.

Region of hair located outside the medulla that contains pigment

a)

medulla

b)

cortex

c)

cuticle

d)

root

78.

Tough outer coating of a hair that is composed of overlapping scales

a)

medulla

b)

cortex

c)

cuticle

d)

root

79.

Genetic material in the mitochondria of a cell; usually inherited from the mother

a)

nuclear DNA

b)

messenger RNA

c)

transfer RNA

d)

mitochondrial DNA

80.

Genetic material in the nucleus of the cell inherited from the mother and father

a)

mitochondrial DNA

b)

ribosomal RNA

c)

nuclear DNA

d)

transfer RNA

81.

Part of the hair above the follicle; contains mitochondrial DNA

a)

follicular tag in root

b)

hair shaft

c)

medulla

d)

keratin

82.

Actively growing base of hair that contains nuclear DNA and living cells

a)

hair shaft

b)

anagen

c)

cortex

d)

hair follicle

83.

Small but measurable amounts of physical or biological material found at the crime scene is known as (a)   evidence.

84.

A technique used to record evidence location from two fixed reference points is known as (a)   .

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