Question 1

Which of the following is NOT an example of a genetically modified organism?

Accepted Answer

A)  a bacterium that produces the human insulin protein 
B)  a virus used in gene therapy containing a "good copy" of a human gene 
C)  human cells isolated from a tumor and grown in a dish 
D)  a petunia plant that expresses human antibody proteins 
A)  a bacterium that produces the human insulin protein 
B)  a virus used in gene therapy containing a "good copy" of a human gene 
C)  human cells isolated from a tumor and grown in a dish 
D)  a petunia plant that expresses human antibody proteins

Question 2

Reproductively cloned animals are the same age as their parent.

Accepted Answer

A) True 
 B)False

Question 3

It is theoretically impossible for two individuals (other than identical twins)to have the same DNA fingerprint.

Accepted Answer

A) True 
 B)False

Question 4

The immune disorder adenosine deaminase (ADA)deficiency is the result of a mutation in one gene.How could gene therapy be used to treat this disorder?

Accepted Answer

A)  Red blood cells could be induced to produce the protein encoded by the mutated ADA gene. 
B)  Cells containing a corrected ADA gene could be injected into patients with ADA. 
C)  The patients could swallow synthetic blood cells. 
D)  Patients could be injected with a hybrid molecule made of the DNA and RNA of the normal ADA gene. 
A)  Red blood cells could be induced to produce the protein encoded by the mutated ADA gene. 
B)  Cells containing a corrected ADA gene could be injected into patients with ADA. 
C)  The patients could swallow synthetic blood cells. 
D)  Patients could be injected with a hybrid molecule made of the DNA and RNA of the normal ADA gene.

Question 5

In the 1980s,biologists fused a mammary cell of an adult sheep into an enucleated,unfertilized egg of a second sheep and treated it with chemicals,causing it to grow into an embryo.After implantation in the uterus of a third sheep,the embryo grew to become a fully complete baby lamb.What term best describes the growth potential of that fused mammary cell and enucleated egg?

Accepted Answer

A)  totipotent 
B)  pluripotent 
C)  multipotent 
D)  unipotent 
A)  totipotent 
B)  pluripotent 
C)  multipotent 
D)  unipotent

Question 6

Deliberately transferring a gene from one species to another is an example of

Accepted Answer

A)  constructing a gene library. 
B)  genetic engineering. 
C)  the polymerase chain reaction. 
D)  cloning. 
A)  constructing a gene library. 
B)  genetic engineering. 
C)  the polymerase chain reaction. 
D)  cloning.

Question 7

Restriction enzymes work only on bacterial DNA.

Accepted Answer

A) True 
 B)False

Question 8

Stem cells that can generate all body cell types,including those in the birth sac,are described as ________.

Accepted Answer

The answer of Stem cells that can generate all body...

Question 9

DNA from one organism will not bond to DNA from another organism.

Accepted Answer

A) True 
 B)False

Question 10

DNA fingerprinting can prove guilt without fail.

Accepted Answer

A) True 
 B)False

Question 11

A scientist isolates genomic DNA from a human cell.She needs to physically separate a specific segment of that DNA away from the rest.Which technology will allow her to do this?

Accepted Answer

A)  DNA microarrays 
B)  genetic engineering 
C)  restriction enzymes 
D)  recombinant DNA 
A)  DNA microarrays 
B)  genetic engineering 
C)  restriction enzymes 
D)  recombinant DNA

Question 12

Researchers at Cedars-Sinai Medical Center tested gene therapy on only one side of the Parkinson's disease patients' brains because the disease affects only one side of the brain.

Accepted Answer

A) True 
 B)False

Question 13

Giving rise to all the cell types that occur in the human body,________ stem cells are obtained from the inner cell mass of a blastocyst.

Accepted Answer

The answer of Giving rise to all the cell types...

Question 14

Genetic engineering works only on animals and has not yet been successfully used on plants.

Accepted Answer

A) True 
 B)False

Question 15

The following figure shows the first cycle in polymerase chain reaction (PCR).
 
What is the role of the structure marked "P" in this figure?

Accepted Answer

A)  The "P" represents the heat-tolerant DNA polymerase used in PCR to copy the gene of interest. 
B)  The "P" represents a sequence of DNA complementary to parts of the gene being amplified that allows DNA polymerase to attach to the gene. 
C)  The "P" indicates where on the DNA that DNA polymerase should terminate replication. 
D)  The "P" indicates the location of the promoter for the gene being amplified. 
A)  The "P" represents the heat-tolerant DNA polymerase used in PCR to copy the gene of interest. 
B)  The "P" represents a sequence of DNA complementary to parts of the gene being amplified that allows DNA polymerase to attach to the gene. 
C)  The "P" indicates where on the DNA that DNA polymerase should terminate replication. 
D)  The "P" indicates the location of the promoter for the gene being amplified.

Question 16

Genetically modified plants can pass their recombinant DNA to wild plants of the same species through their pollen.

Accepted Answer

A) True 
 B)False

Question 17

Bt-corn has been genetically engineered to express an insect-killing gene from the bacteria Bacillus thuringiensis.How does this genetically engineered corn benefit the environment?

Accepted Answer

A)  It provides a food source for important pollinator insects. 
B)  It decreases the amount of land necessary to grow the world's corn requirements. 
C)  It increases the amount of insecticide that needs to be used on the crops. 
D)  It decreases the amount of insecticide that needs to be used on the crops. 
A)  It provides a food source for important pollinator insects. 
B)  It decreases the amount of land necessary to grow the world's corn requirements. 
C)  It increases the amount of insecticide that needs to be used on the crops. 
D)  It decreases the amount of insecticide that needs to be used on the crops.

Question 18

Which of the following is the best way to make many copies of a vector containing recombinant DNA?

Accepted Answer

A)  polymerase chain reaction 
B)  DNA hybridization 
C)  reproductive cloning 
D)  DNA cloning 
A)  polymerase chain reaction 
B)  DNA hybridization 
C)  reproductive cloning 
D)  DNA cloning

Question 19

Suspect DNA is isolated from a murder scene.The DNA is used to create a DNA fingerprint for the suspect,but it does not match the DNA fingerprint of any of the known suspects,and it does not have a match in CODIS.The murderer is not identified and the crime remains unsolved.Although there are no matches,forensic officers enter the murder scene DNA fingerprint into CODIS because

Accepted Answer

A)  it may exonerate someone who was wrongly imprisoned for another crime. 
B)  a match may be entered into CODIS at a later date,solving the case. 
C)  it may be used in a paternity suit. 
D)  making it public will help civilians solve the case. 
A)  it may exonerate someone who was wrongly imprisoned for another crime. 
B)  a match may be entered into CODIS at a later date,solving the case. 
C)  it may be used in a paternity suit. 
D)  making it public will help civilians solve the case.

Question 20

Which of the following is NOT an example of humans changing the DNA of an organism?

Accepted Answer

A)  treating a patient with a medication that cures an infection 
B)  adding a disease-resistant gene to a crop plant 
C)  modifying bacteria to produce human insulin 
D)  gene therapy 
A)  treating a patient with a medication that cures an infection 
B)  adding a disease-resistant gene to a crop plant 
C)  modifying bacteria to produce human insulin 
D)  gene therapy

Exam 13: DNA Technology

Which of the following is NOT an example of a genetically modified organism?

Reproductively cloned animals are the same age as their parent.

It is theoretically impossible for two individuals (other than identical twins)to have the same DNA fingerprint.

The immune disorder adenosine deaminase (ADA)deficiency is the result of a mutation in one gene.How could gene therapy be used to treat this disorder?

Deliberately transferring a gene from one species to another is an example of

Restriction enzymes work only on bacterial DNA.

Stem cells that can generate all body cell types,including those in the birth sac,are described as ________.

DNA from one organism will not bond to DNA from another organism.

DNA fingerprinting can prove guilt without fail.

A scientist isolates genomic DNA from a human cell.She needs to physically separate a specific segment of that DNA away from the rest.Which technology will allow her to do this?

Researchers at Cedars-Sinai Medical Center tested gene therapy on only one side of the Parkinson's disease patients' brains because the disease affects only one side of the brain.

Giving rise to all the cell types that occur in the human body,________ stem cells are obtained from the inner cell mass of a blastocyst.

Genetic engineering works only on animals and has not yet been successfully used on plants.

The following figure shows the first cycle in polymerase chain reaction (PCR). What is the role of the structure marked "P" in this figure?

Genetically modified plants can pass their recombinant DNA to wild plants of the same species through their pollen.

Bt-corn has been genetically engineered to express an insect-killing gene from the bacteria Bacillus thuringiensis.How does this genetically engineered corn benefit the environment?

Which of the following is the best way to make many copies of a vector containing recombinant DNA?

Which of the following is NOT an example of humans changing the DNA of an organism?

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons,Muscles,and Movement

The Immune System

Reproduction and Development

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

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