Question 1

98.5% of the human genome does not encode proteins.

Accepted Answer

A) True 
 B)False

Question 2

Applications of DNA technology may result in negative effects,including

Accepted Answer

A)  All answers are correct.
B)  creating too much of a cellular product.
C)  insertion into an incorrect location in a chromosome.
D)  triggering cancer.
E)  triggering unwanted immune responses.

Question 3

Which of the following is used to ensure absence of a specific genetic disorder through selection of human embryos produced by in vitro fertilization?

Accepted Answer

A)  preimplantation genetic diagnosis
B)  genetic testing
C)  gene therapy
D)  somatic cell nuclear transfer
E)  genetic transformation

Question 4

DNA probes are typically labeled with a radioactive isotope or fluorescent tag to locate within the genome after binding.

Accepted Answer

A) True 
 B)False

Question 5

How does DNA profiling detect genetic differences between individuals?

Accepted Answer

A)  uses short tandem repeats and other variable parts of the genome
B)  uses shared genetic sequences
C)  uses entire genomes
D)  uses detection of non-AGCT bases
E)  uses only coding regions of the genome

Question 6

In the section "Investigating Life: What Makes Us Human?," the scientists questioned what

Accepted Answer

A)  genetically differentiates humans from our closest relatives.
B)  caused human brains to be more advanced than other animals.
C)  caused humans to walk on two limbs compared to primates,who walk on four limbs.
D)  physically separates humans and chimpanzees from other primates.
E)  chromosomes all primates have in common.

Question 7

Mitosis of a stem cell in a child or adult results in ______;mitosis of a specialized cell in a child or adult results in ______.

Accepted Answer

A)  one stem cell and one specialized cell;two specialized cells
B)  two specialized cells;one specialized cell
C)  two stem cells;one stem cell
D)  one stem cell and one specialized cell;two stem cells
E)  two stem cells;one stem cell and one specialized cell

Question 8

Stem cell technology has the potential to

Accepted Answer

A)  produce any type of cell in the body.
B)  replace damaged cells after an injury.
C)  replace absent or incorrect cells resulting from a genetic disease.
D)  replace absent or incorrect cells resulting from a nongenetic disease.
E)  All answers are correct.

Question 9

The results of DNA sequencing are used

Accepted Answer

A)  to predict protein sequences.
B)  to compare DNA sequences between humans.
C)  to compare DNA sequences between different species.
D)  to compare DNA sequences between related extinct and extant organisms.
E)  All answers are correct.

Question 10

What is the function of transposable elements in human DNA?

Accepted Answer

A)  repeated segments with no known function
B)  nonrepeated segments with no known function
C)  repeated segments that encode rRNA
D)  nonrepeated segments that encode tRNA
E)  repeated segments that encode rRNA and tRNA

Question 11

DNA technology can be used to determine how humans are related to other living organisms.

Accepted Answer

A) True 
 B)False  True

Question 12

What is the correct order of steps to create a transgenic organism?

Accepted Answer

A)  acquire source DNA,obtain a plasmid,create recombinant DNA,insert the recombinant DNA into a recipient cell
B)  obtain a plasmid,create recombinant DNA,acquire source DNA,insert the recombinant DNA into a recipient cell
C)  obtain a plasmid,acquire source DNA,insert the recombinant DNA into a recipient cell,create recombinant DNA
D)  insert the recombinant DNA into a recipient cell,obtain a plasmid,acquire source DNA,create recombinant DNA
E)  acquire source DNA,obtain a plasmid,insert the recombinant DNA into a recipient cell,create recombinant DNA A

Question 13

Growth of ______ does not include turning off genes.

Accepted Answer

A)  stem cells
B)  cardiac tissue
C)  red blood cells
D)  bacterial cells
E)  All answers are correct.

Question 14

Which of the following is used to replace faulty DNA by introducing alleles that do not result in a genetic disorder?

Accepted Answer

A)  gene therapy
B)  somatic cell nuclear transfer
C)  genetic testing
D)  preimplantation genetic diagnosis
E)  All answers are correct.

Question 15

If the gene for a genetic disorder has the DNA sequence AATCGACTACCGTA,then the DNA probe has the sequence

Accepted Answer

A)  AATCGACTACCGTA.
B)  AAUCGACUACCGUA.
C)  UUAGCUGACGGCAU.
D)  TTAGCTGATGGCAT.

Question 16

Genetically modified bacteria are responsible for producing

Accepted Answer

A)  All answers are correct.
B)  human insulin to treat diabetes.
C)  blood clotting factors to treat hemophilia.
D)  fertility hormones for humans.
E)  amino acid phenylalanine used in the artificial sweetener aspartamE.

Question 17

A common feature of preimplantation genetic diagnosis,genetic testing,and gene therapy is

Accepted Answer

A)  the use of DNA technology to detect or treat genetic disorders.
B)  the destruction of faulty DNA in the human genome.
C)  the replacement of faulty DNA in the human genome.
D)  the use of stem cells.
E)  the transfer of DNA from transgenic cells. A

Question 18

Transgenes for herbicide resistance have been accidentally transferred from crop plants to their weedy wild relatives.

Accepted Answer

A) True 
 B)False

Question 19

In cloning the sheep Dolly,a nucleus was implanted into an egg that had its nucleus removed.The result of this somatic cell nuclear transfer was a(n) ____ egg.

Accepted Answer

A)  haploid
B)  recombinant
C)  unfertilized
D)  diploid
E)  tetraploid

Question 20

Cloning results in two genetically identical cells/organisms;sexual reproduction results in genetically different cells/organisms.

Accepted Answer

A) True 
 B)False

Exam 11: Dna Technology

98.5% of the human genome does not encode proteins.

Correct AnswerverifiedShow Answer

Applications of DNA technology may result in negative effects,including

Correct AnswerverifiedShow Answer

Which of the following is used to ensure absence of a specific genetic disorder through selection of human embryos produced by in vitro fertilization?

Correct AnswerverifiedShow Answer

DNA probes are typically labeled with a radioactive isotope or fluorescent tag to locate within the genome after binding.

Correct AnswerverifiedShow Answer

How does DNA profiling detect genetic differences between individuals?

Correct AnswerverifiedShow Answer

In the section "Investigating Life: What Makes Us Human?," the scientists questioned what

Correct AnswerverifiedShow Answer

Mitosis of a stem cell in a child or adult results in ______;mitosis of a specialized cell in a child or adult results in ______.

Correct AnswerverifiedShow Answer

Stem cell technology has the potential to

Correct AnswerverifiedShow Answer

The results of DNA sequencing are used

Correct AnswerverifiedShow Answer

What is the function of transposable elements in human DNA?

Correct AnswerverifiedShow Answer

DNA technology can be used to determine how humans are related to other living organisms.

Correct AnswerverifiedTrue

What is the correct order of steps to create a transgenic organism?

Correct AnswerverifiedA

Growth of ______ does not include turning off genes.

Correct AnswerverifiedShow Answer

Which of the following is used to replace faulty DNA by introducing alleles that do not result in a genetic disorder?

Correct AnswerverifiedShow Answer

If the gene for a genetic disorder has the DNA sequence AATCGACTACCGTA,then the DNA probe has the sequence

Correct AnswerverifiedShow Answer

Genetically modified bacteria are responsible for producing

Correct AnswerverifiedShow Answer

A common feature of preimplantation genetic diagnosis,genetic testing,and gene therapy is

Correct AnswerverifiedA

Transgenes for herbicide resistance have been accidentally transferred from crop plants to their weedy wild relatives.

Correct AnswerverifiedShow Answer

In cloning the sheep Dolly,a nucleus was implanted into an egg that had its nucleus removed.The result of this somatic cell nuclear transfer was a(n) ____ egg.

Correct AnswerverifiedShow Answer

Cloning results in two genetically identical cells/organisms;sexual reproduction results in genetically different cells/organisms.

Correct AnswerverifiedShow Answer

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Mitosis of a stem cell in a child or adult results in ;mitosis of a specialized cell in a child or adult results in .

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True

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A

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A

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