Question 1

Cloning is useful because it

Accepted Answer

A)  repairs broken DNA. 
B)  mixes the DNA from two different organisms. 
C)  produces many copies of recombinant DNA. 
D)  determines the base sequence of a gene. 
A)  repairs broken DNA. 
B)  mixes the DNA from two different organisms. 
C)  produces many copies of recombinant DNA. 
D)  determines the base sequence of a gene.

Question 2

In comparison to DNA technology,selective breeding is

Accepted Answer

A)  less precise and slower. 
B)  faster and more direct. 
C)  slower and more accurate. 
D)  faster and safer. 
A)  less precise and slower. 
B)  faster and more direct. 
C)  slower and more accurate. 
D)  faster and safer.

Question 3

Hind III and AluI are examples of ________ used to cut DNA at specific sites.

Accepted Answer

The answer of Hind III and AluI are examples of...

Question 4

The FBI produces DNA fingerprints from 13 STRs using ________ based amplification.

Accepted Answer

The answer of The FBI produces DNA fingerprints from 13...

Question 5

A detective finds a miniscule spot of blood on a murder suspect's shirt.What method would she expect the police lab to use to get enough DNA from the blood droplet to perform DNA fingerprinting?

Accepted Answer

A)  inserting the blood's DNA into viral DNA 
B)  polymerase chain reaction (PCR) 
C)  inserting the sample's DNA into a plasmid 
D)  using ligases to bond the DNA fragments together for sequencing 
A)  inserting the blood's DNA into viral DNA 
B)  polymerase chain reaction (PCR) 
C)  inserting the sample's DNA into a plasmid 
D)  using ligases to bond the DNA fragments together for sequencing

Question 6

Genetically modified foods

Accepted Answer

A)  have been shown to cause allergies in humans. 
B)  undergo extensive safety testing. 
C)  have no advantages compared to foods obtained by conventional breeding. 
D)  have only possible environmental costs, no social costs. 
A)  have been shown to cause allergies in humans. 
B)  undergo extensive safety testing. 
C)  have no advantages compared to foods obtained by conventional breeding. 
D)  have only possible environmental costs, no social costs.

Question 7

The nuclear DNA of the embryo that results from the process shown in the following diagram

Accepted Answer

A)  is identical to the nuclear DNA of the Scottish Blackface sheep. 
B)  is identical to the nuclear DNA of the Finn Dorset sheep. 
C)  is a unique mix of the nuclear DNA from both of the pictured sheep. 
D)  contains one full set of chromosomes from each of the pictured sheep. 
A)  is identical to the nuclear DNA of the Scottish Blackface sheep. 
B)  is identical to the nuclear DNA of the Finn Dorset sheep. 
C)  is a unique mix of the nuclear DNA from both of the pictured sheep. 
D)  contains one full set of chromosomes from each of the pictured sheep.

Question 8

A DNA fingerprint is also called a DNA ________.

Accepted Answer

The answer of A DNA fingerprint is also called a...

Question 9

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

Question 10

When the FBI investigates crimes with DNA evidence,they compare 13 different noncoding regions of the human genome between the DNA evidence and the suspect.Why is it important to look at so many regions?

Accepted Answer

A)  Repeating the test in different areas of the DNA ensures that the investigator did not make any mistakes in determining the DNA sequence. 
B)  Most regions of the human genome are identical, so you have to look in many locations to make sure you find a region that shows differences. 
C)  The more regions of the DNA you examine, the less likely you are to run into a coincidental similarity between DNA sequences. 
D)  Restriction enzymes only work in these 13 regions of the human genome. 
A)  Repeating the test in different areas of the DNA ensures that the investigator did not make any mistakes in determining the DNA sequence. 
B)  Most regions of the human genome are identical, so you have to look in many locations to make sure you find a region that shows differences. 
C)  The more regions of the DNA you examine, the less likely you are to run into a coincidental similarity between DNA sequences. 
D)  Restriction enzymes only work in these 13 regions of the human genome.

Question 11

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 12

Genetic engineering is a process in which specific sequences of ________ are deliberately isolated,modified,and inserted into a host organism.

Accepted Answer

The answer of Genetic engineering is a process in which...

Question 13

Cloned animals are genetically identical to the

Accepted Answer

A)  somatic cell donor 
B)  enucleated egg donor 
C)  surrogate mother 
D)  surrogate mother's mate 
A)  somatic cell donor 
B)  enucleated egg donor 
C)  surrogate mother 
D)  surrogate mother's mate

Question 14

DNA that contains genetic information from two different sources is ________ DNA.

Accepted Answer

The answer of DNA that contains genetic information from two...

Question 15

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 16

Human males continuously produce sperm and remain fertile throughout their lives; this ability is most likely the result of

Accepted Answer

A)  conversion of testicular tissue into induced pluripotent stem cells. 
B)  differentiation of surplus cell types, such as red blood cells, into sperm. 
C)  the ability of adult stem cells in the testes to regenerate themselves throughout the life of a male. 
D)  totipotent cells in the testes constantly undergoing meiosis. 
A)  conversion of testicular tissue into induced pluripotent stem cells. 
B)  differentiation of surplus cell types, such as red blood cells, into sperm. 
C)  the ability of adult stem cells in the testes to regenerate themselves throughout the life of a male. 
D)  totipotent cells in the testes constantly undergoing meiosis.

Question 17

Which of the following conditions is the least likely to be treated with gene therapy in the future?

Accepted Answer

A)  hemophilia, in which a genetic mutation prevents the production of a clotting protein 
B)  a digestive system disorder in which a protein is not expressed that is necessary for the absorption of a nutrient 
C)  a neurodegenerative disease in which males inherit a mutated gene from their mothers 
D)  Turner syndrome, in which only one copy of the X chromosome is present instead of the usual two X chromosomes 
A)  hemophilia, in which a genetic mutation prevents the production of a clotting protein 
B)  a digestive system disorder in which a protein is not expressed that is necessary for the absorption of a nutrient 
C)  a neurodegenerative disease in which males inherit a mutated gene from their mothers 
D)  Turner syndrome, in which only one copy of the X chromosome is present instead of the usual two X chromosomes

Question 18

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 19

It is better to reproductively clone animals that have useful characteristics instead of breeding them in the traditional way because

Accepted Answer

A)  the embryo develops more quickly when it is reproductively cloned. 
B)  the variation caused by sexual reproduction may affect the useful characteristic in traditional breeding. 
C)  the reproductively cloned embryo requires less DNA because it is haploid. 
D)  a traditionally bred animal requires more food. 
A)  the embryo develops more quickly when it is reproductively cloned. 
B)  the variation caused by sexual reproduction may affect the useful characteristic in traditional breeding. 
C)  the reproductively cloned embryo requires less DNA because it is haploid. 
D)  a traditionally bred animal requires more food.

Question 20

The polymerase chain reaction (PCR)is used to

Accepted Answer

A)  produce many copies of a selected DNA sequence. 
B)  insert DNA from one organism into a new host. 
C)  screen for a particular gene. 
D)  deliver DNA products into a human patient. 
A)  produce many copies of a selected DNA sequence. 
B)  insert DNA from one organism into a new host. 
C)  screen for a particular gene. 
D)  deliver DNA products into a human patient.

Exam 13: DNA Technology

Cloning is useful because it

In comparison to DNA technology,selective breeding is

Hind III and AluI are examples of ________ used to cut DNA at specific sites.

The FBI produces DNA fingerprints from 13 STRs using ________ based amplification.

A detective finds a miniscule spot of blood on a murder suspect's shirt.What method would she expect the police lab to use to get enough DNA from the blood droplet to perform DNA fingerprinting?

Genetically modified foods

The nuclear DNA of the embryo that results from the process shown in the following diagram

A DNA fingerprint is also called a DNA ________.

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

When the FBI investigates crimes with DNA evidence,they compare 13 different noncoding regions of the human genome between the DNA evidence and the suspect.Why is it important to look at so many regions?

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?

Genetic engineering is a process in which specific sequences of ________ are deliberately isolated,modified,and inserted into a host organism.

Cloned animals are genetically identical to the

DNA that contains genetic information from two different sources is ________ DNA.

Human males continuously produce sperm and remain fertile throughout their lives; this ability is most likely the result of

Which of the following conditions is the least likely to be treated with gene therapy in the future?

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

It is better to reproductively clone animals that have useful characteristics instead of breeding them in the traditional way because

The polymerase chain reaction (PCR)is used to

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