Question 1

The discriminating power of mtDNA is ________ the discriminating power of STR analysis.

Accepted Answer

A)  Greater than 
B)  The same as 
C)  Less than 
D)  None of the above 
A)  Greater than 
B)  The same as 
C)  Less than 
D)  None of the above

Question 2

Which is NOT a component of a nucleotide?

Accepted Answer

A)  Phosphorous containing group 
B)  Double helix 
C)  Sugar 
D)  Nitrogenous base 
A)  Phosphorous containing group 
B)  Double helix 
C)  Sugar 
D)  Nitrogenous base

Question 3

Blood in soil must be stored in a clean glass or plastic container and immediately frozen.

Accepted Answer

A) True 
 B)False

Question 4

DNA ________ are enzymes that assemble a new DNA strand in the proper base sequence determined by the original or parent DNA strand.

Accepted Answer

The answer of DNA ________ are enzymes that assemble a...

Question 5

List the differences between nuclear DNA and mitochondrial DNA.What are the advantages and disadvantages of the use of mitochondrial DNA analysis in forensic investigations?

Accepted Answer

Answer (should include points such as):

Question 6

DNA analysts are able to examine samples containing as few as ________ cells for an STR profile.

Accepted Answer

A)  18 
B)  36 
C)  180 
D)  800 
A)  18 
B)  36 
C)  180 
D)  800

Question 7

Electrophoresis can be used in the crime lab to analyze:

Accepted Answer

A)  DNA. 
B)  Proteins. 
C)  dried blood. 
D)  All of the above 
A)  DNA. 
B)  Proteins. 
C)  dried blood. 
D)  All of the above

Question 8

The greater the number of STRs characterized,the smaller the frequency of occurrence of the analyzed sample in the general population.

Accepted Answer

A) True 
 B)False

Question 9

Each cycle of the DNA Thermal Cycler takes approximately:

Accepted Answer

A)  30 seconds. 
B)  Four hours. 
C)  Two hours. 
D)  Two minutes. 
A)  30 seconds. 
B)  Four hours. 
C)  Two hours. 
D)  Two minutes.

Question 10

Examples of polymers that contain repeating units known as nucleotides are:

Accepted Answer

A)  Hemoglobin. 
B)  Starch. 
C)  Cellulose. 
D)  DNA. 
A)  Hemoglobin. 
B)  Starch. 
C)  Cellulose. 
D)  DNA.

Question 11

The concept of simultaneously extracting,amplifying,and detecting a combination of STRs is known as:

Accepted Answer

A)  PCR. 
B)  THO1. 
C)  Multiplexing. 
D)  Electrophoresis. 
A)  PCR. 
B)  THO1. 
C)  Multiplexing. 
D)  Electrophoresis.

Question 12

A conventional STR profile emanating from a mixture of DNA from male donors yields four peaks or bands for each locus present.How many peaks or bands would you normally expect for each locus if a Y-STR profile is performed on the same sample?

Accepted Answer

A)  One 
B)  Two 
C)  Three 
D)  Four 
A)  One 
B)  Two 
C)  Three 
D)  Four

Question 13

PCR are regions of a chromosome that contain multiple copies of a core DNA sequence arranged in a repeating fashion.

Accepted Answer

A) True 
 B)False

Question 14

The rate at which large DNA fragments move through the electrophoretic gel is ________ the rate at which small DNA fragments move through the same apparatus.

Accepted Answer

A)  The same as 
B)  Greater than 
C)  Less than 
D)  None of the above 
A)  The same as 
B)  Greater than 
C)  Less than 
D)  None of the above

Question 15

Buccal cells are derived from the inner cheek lining.

Accepted Answer

A) True 
 B)False

Question 16

Which component of DNA forms the backbone of the molecule?

Accepted Answer

A)  Phosphate group 
B)  Nitrogenous base 
C)  Sugar 
D)  Both A and C 
A)  Phosphate group 
B)  Nitrogenous base 
C)  Sugar 
D)  Both A and C

Question 17

In which hereditary disease does abnormal hemoglobin differ from normal hemoglobin by only a single amino acid?

Accepted Answer

A)  Phenylketonuria 
B)  Hemophilia 
C)  Sickle-cell anemia 
D)  Albinism 
A)  Phenylketonuria 
B)  Hemophilia 
C)  Sickle-cell anemia 
D)  Albinism

Question 18

Proteins are formed by linking a combination of nucleotides.

Accepted Answer

A) True 
 B)False

Question 19

Portions of the DNA molecule useful for DNA typing:

Accepted Answer

A)  Code for the production of proteins. 
B)  Are useful for recombinant DNA. 
C)  Are repeated many times. 
D)  Are useful for the production of insulin. 
A)  Code for the production of proteins. 
B)  Are useful for recombinant DNA. 
C)  Are repeated many times. 
D)  Are useful for the production of insulin.

Question 20

Mitochondrial DNA analysis is significantly more sensitive than nuclear DNA profiling.

Accepted Answer

A) True 
 B)False

The discriminating power of mtDNA is ________ the discriminating power of STR analysis.

Which is NOT a component of a nucleotide?

Blood in soil must be stored in a clean glass or plastic container and immediately frozen.

DNA ________ are enzymes that assemble a new DNA strand in the proper base sequence determined by the original or parent DNA strand.

List the differences between nuclear DNA and mitochondrial DNA.What are the advantages and disadvantages of the use of mitochondrial DNA analysis in forensic investigations?

DNA analysts are able to examine samples containing as few as ________ cells for an STR profile.

Electrophoresis can be used in the crime lab to analyze:

The greater the number of STRs characterized,the smaller the frequency of occurrence of the analyzed sample in the general population.

Each cycle of the DNA Thermal Cycler takes approximately:

Examples of polymers that contain repeating units known as nucleotides are:

The concept of simultaneously extracting,amplifying,and detecting a combination of STRs is known as:

A conventional STR profile emanating from a mixture of DNA from male donors yields four peaks or bands for each locus present.How many peaks or bands would you normally expect for each locus if a Y-STR profile is performed on the same sample?

PCR are regions of a chromosome that contain multiple copies of a core DNA sequence arranged in a repeating fashion.

The rate at which large DNA fragments move through the electrophoretic gel is ________ the rate at which small DNA fragments move through the same apparatus.

Buccal cells are derived from the inner cheek lining.

Which component of DNA forms the backbone of the molecule?

In which hereditary disease does abnormal hemoglobin differ from normal hemoglobin by only a single amino acid?

Proteins are formed by linking a combination of nucleotides.

Portions of the DNA molecule useful for DNA typing:

Mitochondrial DNA analysis is significantly more sensitive than nuclear DNA profiling.

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

The Microscope

Firearms, tool Marks, and Other Impressions

Matter, light, and Glass Examination

Hairs and Fibers

Drugs

Forensic Toxicology

Metals, paint, and Soil

Forensic Serology

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Mobile Device Forensics

Filters

Exam 16: DNA: the Indispensable Forensic Science Tool

The discriminating power of mtDNA is ________ the discriminating power of STR analysis.

Which is NOT a component of a nucleotide?

Blood in soil must be stored in a clean glass or plastic container and immediately frozen.

DNA ________ are enzymes that assemble a new DNA strand in the proper base sequence determined by the original or parent DNA strand.

List the differences between nuclear DNA and mitochondrial DNA.What are the advantages and disadvantages of the use of mitochondrial DNA analysis in forensic investigations?

DNA analysts are able to examine samples containing as few as ________ cells for an STR profile.

Electrophoresis can be used in the crime lab to analyze:

The greater the number of STRs characterized,the smaller the frequency of occurrence of the analyzed sample in the general population.

Each cycle of the DNA Thermal Cycler takes approximately:

Examples of polymers that contain repeating units known as nucleotides are:

The concept of simultaneously extracting,amplifying,and detecting a combination of STRs is known as:

A conventional STR profile emanating from a mixture of DNA from male donors yields four peaks or bands for each locus present.How many peaks or bands would you normally expect for each locus if a Y-STR profile is performed on the same sample?

PCR are regions of a chromosome that contain multiple copies of a core DNA sequence arranged in a repeating fashion.

The rate at which large DNA fragments move through the electrophoretic gel is ________ the rate at which small DNA fragments move through the same apparatus.

Buccal cells are derived from the inner cheek lining.

Which component of DNA forms the backbone of the molecule?

In which hereditary disease does abnormal hemoglobin differ from normal hemoglobin by only a single amino acid?

Proteins are formed by linking a combination of nucleotides.

Portions of the DNA molecule useful for DNA typing:

Mitochondrial DNA analysis is significantly more sensitive than nuclear DNA profiling.

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

The Microscope

Firearms, tool Marks, and Other Impressions

Matter, light, and Glass Examination

Hairs and Fibers

Drugs

Forensic Toxicology

Metals, paint, and Soil

Forensic Serology

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Mobile Device Forensics

Filters