Question 1

DNA profiles have been developed from the remains of dead people.

Accepted Answer

A) True 
 B)False  True

Question 2

When an electric current is passed through an agarose gel,the migration of DNA fragments through the gel is based on the number of copies of each fragment.

Accepted Answer

A) True 
 B)False  False

Question 3

Which of the following statements about haplotypes is FALSE?

Accepted Answer

A)  Haplotype analysis can provide information about ancestry. 
B)  Each person has the same mtDNA haplotype as his or her mother. 
C)  Y chromosomal haplotypes can be used to trace paternal lineage. 
D)  Haplotypes are based on differences in DNA sequence. 
E)  Haplotypes analysis is only useful to determine paternity. 
A)  Haplotype analysis can provide information about ancestry. 
B)  Each person has the same mtDNA haplotype as his or her mother. 
C)  Y chromosomal haplotypes can be used to trace paternal lineage. 
D)  Haplotypes are based on differences in DNA sequence. 
E)  Haplotypes analysis is only useful to determine paternity. E

Question 4

DNA fragments are separated in an agarose gel based on

Accepted Answer

A)  size, with the shortest DNA fragments traveling farthest. 
B)  size, with the longest DNA fragments traveling the farthest. 
C)  the presence or absence of certain SNPs. 
D)  the number of strands in the DNA fragments. 
E)  the frequency of particular DNA nucleotides. 
A)  size, with the shortest DNA fragments traveling farthest. 
B)  size, with the longest DNA fragments traveling the farthest. 
C)  the presence or absence of certain SNPs. 
D)  the number of strands in the DNA fragments. 
E)  the frequency of particular DNA nucleotides.

Question 5

What was the first U.S.court case to challenge the admissibility DNA evidence?

Accepted Answer

A)  Frye v. U.S. 
B)  People v. Castro 
C)  Narborough Village Murders 
D)  Jennifer Thompson-Canino v. Ronald Cotton 
E)  Margaret Sackler v. William Bern 
A)  Frye v. U.S. 
B)  People v. Castro 
C)  Narborough Village Murders 
D)  Jennifer Thompson-Canino v. Ronald Cotton 
E)  Margaret Sackler v. William Bern

Question 6

A DNA sample from an individual is analyzed.The population frequency of one of the STR alleles is 1 in 50,a second STR allele is 1 in 100,and a third STR allele is 1 in 30.What is the combined frequency of these three STR alleles?

Accepted Answer

A)  1 in 150,000 
B)  1 in 15,000 
C)  1 in 1,500 
D)  1 in 180 
E)  1 in 50 
A)  1 in 150,000 
B)  1 in 15,000 
C)  1 in 1,500 
D)  1 in 180 
E)  1 in 50

Question 7

Do you think mandatory DNA profiling should be done for all U.S.military personnel? Why or why not? Could this mandatory profiling be considered a violation of the individual's human rights? Explain your answer.

Accepted Answer

Answers will vary but the utility of usi

Question 8

MATCHING
Match the appropriate term with the description.
-haplotypes

Accepted Answer

A) useful for tracking maternal ancestry 
B) passed only from fathers to sons 
C) information stored in CODIS 
D) a series of specific DNA markers 
E) repeated sequences of 10-100 base pairs in length
F)DNA differences that are only one base pair long
G)method to make many copies of a segment of DNA
H)analysis using restriction enzymes 
A) useful for tracking maternal ancestry 
B) passed only from fathers to sons 
C) information stored in CODIS 
D) a series of specific DNA markers 
E) repeated sequences of 10-100 base pairs in length
F)DNA differences that are only one base pair long
G)method to make many copies of a segment of DNA
H)analysis using restriction enzymes

Question 9

Why are minisatellites important for DNA analysis?

Accepted Answer

A)  They are useful for determining the sex of the criminal. 
B)  Variation in the number of repeats is used in preparing DNA profiles. 
C)  They are used when there is no DNA available to analyze. 
D)  They can help geneticists determine the inheritance pattern of a trait. 
E)  Data from minisatellite analysis is stored in the FBI database. 
A)  They are useful for determining the sex of the criminal. 
B)  Variation in the number of repeats is used in preparing DNA profiles. 
C)  They are used when there is no DNA available to analyze. 
D)  They can help geneticists determine the inheritance pattern of a trait. 
E)  Data from minisatellite analysis is stored in the FBI database.

Question 10

____ are repeated sequences of 10-100 base pairs that are used for developing DNA profiles.

Accepted Answer

A)  Minisatellites 
B)  STRs 
C)  RFLPs 
D)  SNPs 
E)  Mitochondrial DNA 
A)  Minisatellites 
B)  STRs 
C)  RFLPs 
D)  SNPs 
E)  Mitochondrial DNA

Question 11

Which of the following DNA elements have NOT been used to develop DNA profiles?

Accepted Answer

A)  minisatellites 
B)  STRs 
C)  RFLPs 
D)  telomeres 
E)  All of these have been used to develop DNA profiles. 
A)  minisatellites 
B)  STRs 
C)  RFLPs 
D)  telomeres 
E)  All of these have been used to develop DNA profiles.

Question 12

MATCHING
Match the appropriate term with the description.
-RFLPs

Accepted Answer

A) useful for tracking maternal ancestry 
B) passed only from fathers to sons 
C) information stored in CODIS 
D) a series of specific DNA markers 
E) repeated sequences of 10-100 base pairs in length
F)DNA differences that are only one base pair long
G)method to make many copies of a segment of DNA
H)analysis using restriction enzymes 
A) useful for tracking maternal ancestry 
B) passed only from fathers to sons 
C) information stored in CODIS 
D) a series of specific DNA markers 
E) repeated sequences of 10-100 base pairs in length
F)DNA differences that are only one base pair long
G)method to make many copies of a segment of DNA
H)analysis using restriction enzymes

Question 13

All STRs are located on the X chromosome.

Accepted Answer

A) True 
 B)False

Question 14

Analysis of mtDNA or Y chromosomes provides data that allows people to trace their ancestry.

Accepted Answer

A) True 
 B)False

Question 15

The polymerase chain reaction (PCR)uses ____ to amplify a particular stretch of DNA.

Accepted Answer

A)  DNA polymerase 
B)  RNA polymerase 
C)  restriction enzymes 
D)  ribosomes 
E)  repeated sequences 
A)  DNA polymerase 
B)  RNA polymerase 
C)  restriction enzymes 
D)  ribosomes 
E)  repeated sequences

Question 16

Which of the following statements about STRs is FALSE?

Accepted Answer

A)  They are only 2-9 bases long. 
B)  Clusters are found widely distributed on all human chromosomes. 
C)  Variation in the number of repeats is used in preparing DNA profiles. 
D)  They consist of differences in DNA sequences that are only one nucleotide long. 
E)  They consist of short repeated nucleotide sequences. 
A)  They are only 2-9 bases long. 
B)  Clusters are found widely distributed on all human chromosomes. 
C)  Variation in the number of repeats is used in preparing DNA profiles. 
D)  They consist of differences in DNA sequences that are only one nucleotide long. 
E)  They consist of short repeated nucleotide sequences.

Question 17

Two common techniques used in DNA forensics are restriction fragment length polymorphism analysis and the polymerase chain reaction.

Accepted Answer

A) True 
 B)False

Question 18

Analysis of STRs shows that

Accepted Answer

A)  the more alleles that are analyzed, the more frequent the combinations become in a population. 
B)  the more alleles that are analyzed, the rarer the combinations become in a population. 
C)  all STR alleles occur at equal frequency.. 
D)  the usefulness of STRs for DNA profiling is very limited. 
E)  None of these are correct. 
A)  the more alleles that are analyzed, the more frequent the combinations become in a population. 
B)  the more alleles that are analyzed, the rarer the combinations become in a population. 
C)  all STR alleles occur at equal frequency.. 
D)  the usefulness of STRs for DNA profiling is very limited. 
E)  None of these are correct.

Question 19

Various recommendations have been made concerning DNA profiling of all persons who have committed a felony.Would you consider this a violation of the individual's human rights? Indicate how this type of information could be useful in locating and identifying criminals implicated in future assaults and rapes and in the associated court cases?

Accepted Answer

Answers will vary as to the human rights

Question 20

DNA analysis of evidence at a crime scene matches the STR pattern of an individual in the CODIS database but the suspect says that he did not commit the crime.He claims that it must have been his twin sister.Explain why his argument is not valid.

Accepted Answer

Based on assumptions behind testing and

DNA profiles have been developed from the remains of dead people.

When an electric current is passed through an agarose gel,the migration of DNA fragments through the gel is based on the number of copies of each fragment.

Which of the following statements about haplotypes is FALSE?

DNA fragments are separated in an agarose gel based on

What was the first U.S.court case to challenge the admissibility DNA evidence?

A DNA sample from an individual is analyzed.The population frequency of one of the STR alleles is 1 in 50,a second STR allele is 1 in 100,and a third STR allele is 1 in 30.What is the combined frequency of these three STR alleles?

Do you think mandatory DNA profiling should be done for all U.S.military personnel? Why or why not? Could this mandatory profiling be considered a violation of the individual's human rights? Explain your answer.

MATCHING Match the appropriate term with the description. -haplotypes

Why are minisatellites important for DNA analysis?

____ are repeated sequences of 10-100 base pairs that are used for developing DNA profiles.

Which of the following DNA elements have NOT been used to develop DNA profiles?

MATCHING Match the appropriate term with the description. -RFLPs

All STRs are located on the X chromosome.

Analysis of mtDNA or Y chromosomes provides data that allows people to trace their ancestry.

The polymerase chain reaction (PCR)uses ____ to amplify a particular stretch of DNA.

Which of the following statements about STRs is FALSE?

Two common techniques used in DNA forensics are restriction fragment length polymorphism analysis and the polymerase chain reaction.

Analysis of STRs shows that

DNA analysis of evidence at a crime scene matches the STR pattern of an individual in the CODIS database but the suspect says that he did not commit the crime.He claims that it must have been his twin sister.Explain why his argument is not valid.

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

How Genes Are Transmitted From Generation to Generation

Gene Expression and Gene Regulation

Changes in DNA: Mutations and Epigenetics

Biotechnology

Genetic Testing and Prenatal Diagnosis

Genomics

Inheritance of Complex Traits

Cancer and the Cell Cycle

Behavior

Immunogenetics

Genetics and Populations

Human Evolution

A Different World: The Past, Present, and Future of Human Genetics

Biology Basics 1-Cells and Cell Structure

Biology Basics 2-DNA and RNA

Biology Basics 3-Genes, Populations, and the Environment

Filters

Exam 9: DNA Forensics

DNA profiles have been developed from the remains of dead people.

When an electric current is passed through an agarose gel,the migration of DNA fragments through the gel is based on the number of copies of each fragment.

Which of the following statements about haplotypes is FALSE?

DNA fragments are separated in an agarose gel based on

What was the first U.S.court case to challenge the admissibility DNA evidence?

A DNA sample from an individual is analyzed.The population frequency of one of the STR alleles is 1 in 50,a second STR allele is 1 in 100,and a third STR allele is 1 in 30.What is the combined frequency of these three STR alleles?

Do you think mandatory DNA profiling should be done for all U.S.military personnel? Why or why not? Could this mandatory profiling be considered a violation of the individual's human rights? Explain your answer.

MATCHING Match the appropriate term with the description. -haplotypes

Why are minisatellites important for DNA analysis?

____ are repeated sequences of 10-100 base pairs that are used for developing DNA profiles.

Which of the following DNA elements have NOT been used to develop DNA profiles?

MATCHING Match the appropriate term with the description. -RFLPs

All STRs are located on the X chromosome.

Analysis of mtDNA or Y chromosomes provides data that allows people to trace their ancestry.

The polymerase chain reaction (PCR)uses ____ to amplify a particular stretch of DNA.

Which of the following statements about STRs is FALSE?

Two common techniques used in DNA forensics are restriction fragment length polymorphism analysis and the polymerase chain reaction.

Analysis of STRs shows that

DNA analysis of evidence at a crime scene matches the STR pattern of an individual in the CODIS database but the suspect says that he did not commit the crime.He claims that it must have been his twin sister.Explain why his argument is not valid.

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

How Genes Are Transmitted From Generation to Generation

Gene Expression and Gene Regulation

Changes in DNA: Mutations and Epigenetics

Biotechnology

Genetic Testing and Prenatal Diagnosis

Genomics

Inheritance of Complex Traits

Cancer and the Cell Cycle

Behavior

Immunogenetics

Genetics and Populations

Human Evolution

A Different World: The Past, Present, and Future of Human Genetics

Biology Basics 1-Cells and Cell Structure

Biology Basics 2-DNA and RNA

Biology Basics 3-Genes, Populations, and the Environment

Filters