Question 1

Because DNA is composed of alternating sugar and phosphate molecules, DNA is known as a double helix.

Accepted Answer

A) True 
 B)False  True

Question 2

James Watson and Francis Crick received the 1953 Nobel Prize for their work on describing the structure of DNA as:

Accepted Answer

A) a double helix that resembles a twisted ladder. 
B) a helix that resembles a twisted ladder. 
C) a triple helix that resembles a twisted ladder. 
D) None of these choices. 
A) a double helix that resembles a twisted ladder. 
B) a helix that resembles a twisted ladder. 
C) a triple helix that resembles a twisted ladder. 
D) None of these choices. A

Question 3

mtDNA is used to trace ancestry through the female line.

Accepted Answer

A) True 
 B)False  True

Question 4

Amplifying trace samples of DNA is called ____________________________.

Accepted Answer

PCR
polyme

Question 5

To calculate the percentage of people who have a particular allele, population studies are conducted to collect data.

Accepted Answer

A) True 
 B)False

Question 6

Alternate forms of a gene are called:

Accepted Answer

A) chromosomes. 
B) DNA. 
C) alleles. 
D) RNA. 
A) chromosomes. 
B) DNA. 
C) alleles. 
D) RNA.

Question 7

Ninety-five percent of DNA is non-coding.What term describes non-coding DNA that acts as genetic "on-an-off" switches?

Accepted Answer

A) karotypes 
B) exons 
C) introns 
D) base pairs 
A) karotypes 
B) exons 
C) introns 
D) base pairs

Question 8

Except for identical twins, no two people on earth have the same:

Accepted Answer

A) physical characteristics. 
B) DNA. 
C) blood group. 
D) skeletal type. 
A) physical characteristics. 
B) DNA. 
C) blood group. 
D) skeletal type.

Question 9

(GAAT) (GAAT) (GAAT) (GAAT) is an example of:

Accepted Answer

A) restriction fragments. 
B) DNA fingerprinting. 
C) PCR. 
D) STR. 
A) restriction fragments. 
B) DNA fingerprinting. 
C) PCR. 
D) STR.

Question 10

Most females have one X and one Y (XY) sex chromosome.

Accepted Answer

A) True 
 B)False

Question 11

Which chromosomes have the same shape and contain the same genes?

Accepted Answer

A) genes 
B) autosomes 
C) (XX) 
D) introns 
A) genes 
B) autosomes 
C) (XX) 
D) introns

Question 12

In 1984, Dr.Alec Jeffreys at the University of Leicaster observed that DNA from different individuals contains different polymorphisms.His laboratory developed a technique for isolating and analyzing these variable areas that is known as:

Accepted Answer

A) DNA quantifying, or DNA profiling. 
B) DNA fingerprinting, or DNA profiling. 
C) DNA sorting, or DNA profiling. 
D) DNA investigating, or DNA profiling. 
A) DNA quantifying, or DNA profiling. 
B) DNA fingerprinting, or DNA profiling. 
C) DNA sorting, or DNA profiling. 
D) DNA investigating, or DNA profiling.

Question 13

__________________________ are variable regions of DNA that repeat.

Accepted Answer

STR
short

Question 14

Which method is used to identify different STR markers?

Accepted Answer

A) x-raying DNA samples 
B) extracting the mtDNA from the gene 
C) adding fluorescent dyes to the PCR reaction 
D) calculating the allele frequency 
A) x-raying DNA samples 
B) extracting the mtDNA from the gene 
C) adding fluorescent dyes to the PCR reaction 
D) calculating the allele frequency

Question 15

The total amount of DNA in a cell, which is contained in the cell's nucleus (nuclear DNA) and mitochondria (mtDNA), is called the human:

Accepted Answer

A) genome. 
B) gene. 
C) allele. 
D) RNA. 
A) genome. 
B) gene. 
C) allele. 
D) RNA.

Question 16

The DNA of every organism on earth is made of the same four _______________________________.

Accepted Answer

The answer of The DNA of every organism on earth...

Question 17

What material is used to isolate and cut DNA?____________________________________________.

Accepted Answer

The answer of What material is used to isolate and...

Question 18

Humans share common ancestors.Therefore the DNA STR profile of all humans is the same.

Accepted Answer

A) True 
 B)False

Question 19

Approximately how many base pairs are in the human body?

Accepted Answer

A) 6 million base pairs. 
B) 6 billion base pairs. 
C) 6 thousand base pairs 
D) 6 trillion base pairs. 
A) 6 million base pairs. 
B) 6 billion base pairs. 
C) 6 thousand base pairs 
D) 6 trillion base pairs.

Question 20

The 95 percent of noncoding DNA is involved in:

Accepted Answer

A) blueprint production. 
B) genetic material. 
C) cell regulation. 
D) DNA fingerprinting. 
A) blueprint production. 
B) genetic material. 
C) cell regulation. 
D) DNA fingerprinting.

Because DNA is composed of alternating sugar and phosphate molecules, DNA is known as a double helix.

James Watson and Francis Crick received the 1953 Nobel Prize for their work on describing the structure of DNA as:

mtDNA is used to trace ancestry through the female line.

Amplifying trace samples of DNA is called ____________________________.

To calculate the percentage of people who have a particular allele, population studies are conducted to collect data.

Alternate forms of a gene are called:

Ninety-five percent of DNA is non-coding.What term describes non-coding DNA that acts as genetic "on-an-off" switches?

Except for identical twins, no two people on earth have the same:

(GAAT) (GAAT) (GAAT) (GAAT) is an example of:

Most females have one X and one Y (XY) sex chromosome.

Which chromosomes have the same shape and contain the same genes?

In 1984, Dr.Alec Jeffreys at the University of Leicaster observed that DNA from different individuals contains different polymorphisms.His laboratory developed a technique for isolating and analyzing these variable areas that is known as:

__________________________ are variable regions of DNA that repeat.

Which method is used to identify different STR markers?

The total amount of DNA in a cell, which is contained in the cell's nucleus (nuclear DNA) and mitochondria (mtDNA), is called the human:

The DNA of every organism on earth is made of the same four _______________________________.

What material is used to isolate and cut DNA?____________________________________________.

Humans share common ancestors.Therefore the DNA STR profile of all humans is the same.

Approximately how many base pairs are in the human body?

The 95 percent of noncoding DNA is involved in:

Observation Skills

Crime-Scene Investigation and Evidence Collection

Hair Analysis

A Study of Fibers and Textiles

Forensic Botany

Fingerprints

Blood and Blood Spatter

Forensic Toxicology

Handwriting Analysis, Forgery, and Counterfeiting

Forensic Entomology

Death: Manner, Mechanism, Cause

Soil Examination

Forensic Anthropolgy

Glass Evidence

Casts and Impressions

Tool Marks

Firearms and Ballistics

Filters

Exam 7: Dna Profiling

Because DNA is composed of alternating sugar and phosphate molecules, DNA is known as a double helix.

James Watson and Francis Crick received the 1953 Nobel Prize for their work on describing the structure of DNA as:

mtDNA is used to trace ancestry through the female line.

Amplifying trace samples of DNA is called ____________________________.

To calculate the percentage of people who have a particular allele, population studies are conducted to collect data.

Alternate forms of a gene are called:

Ninety-five percent of DNA is non-coding.What term describes non-coding DNA that acts as genetic "on-an-off" switches?

Except for identical twins, no two people on earth have the same:

(GAAT) (GAAT) (GAAT) (GAAT) is an example of:

Most females have one X and one Y (XY) sex chromosome.

Which chromosomes have the same shape and contain the same genes?

In 1984, Dr.Alec Jeffreys at the University of Leicaster observed that DNA from different individuals contains different polymorphisms.His laboratory developed a technique for isolating and analyzing these variable areas that is known as:

__________________________ are variable regions of DNA that repeat.

Which method is used to identify different STR markers?

The total amount of DNA in a cell, which is contained in the cell's nucleus (nuclear DNA) and mitochondria (mtDNA), is called the human:

The DNA of every organism on earth is made of the same four _______________________________.

What material is used to isolate and cut DNA?____________________________________________.

Humans share common ancestors.Therefore the DNA STR profile of all humans is the same.

Approximately how many base pairs are in the human body?

The 95 percent of noncoding DNA is involved in:

Observation Skills

Crime-Scene Investigation and Evidence Collection

Hair Analysis

A Study of Fibers and Textiles

Forensic Botany

Fingerprints

Blood and Blood Spatter

Forensic Toxicology

Handwriting Analysis, Forgery, and Counterfeiting

Forensic Entomology

Death: Manner, Mechanism, Cause

Soil Examination

Forensic Anthropolgy

Glass Evidence

Casts and Impressions

Tool Marks

Firearms and Ballistics

Filters