Question 1

Growth and development of a normal cell differs from a stem cell because

Accepted Answer

A)  normal cells do not specialize into stem cells. 
B)  stem cells do not specialize into normal cells. 
C)  stem cells are not found in adult organisms. 
D)  mature stem cells do not contain DNA. 
E)  mature normal cells do not contain DNA. 
A)  normal cells do not specialize into stem cells. 
B)  stem cells do not specialize into normal cells. 
C)  stem cells are not found in adult organisms. 
D)  mature stem cells do not contain DNA. 
E)  mature normal cells do not contain DNA. A

Question 2

98.5% of the human genome does not encode proteins.

Accepted Answer

A) True 
 B)False  True

Question 3

Transfer of transgenes from crop plants to wild relatives can render chemicals like glyphospate ineffective.

Accepted Answer

A) True 
 B)False  True

Question 4

A transgenic organism is an organism that receives all of its genes from only a single parent.

Accepted Answer

A) True 
 B)False

Question 5

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 6

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

Question 7

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. 
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 8

How does DNA profiling detect genetic differences between individuals? It uses

Accepted Answer

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

Question 9

Mitosis of a stem cell in an embryo results in ________; mitosis of a specialized cell in an embryo 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 
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 10

How can stem cells replace faulty cells in the body?

Accepted Answer

A)  Stem cells can be coaxed to differentiate into the needed specific cell type. 
B)  Stem cells can mitotically divide, providing more stem cells to directly replace the faulty cells and their functions. 
C)  Stem cells can meiotically divide, providing more stem cells to directly replace the faulty cells and their functions. 
D)  Faulty cells can be coaxed to differentiate into stem cells and directly replace the faulty cells and their functions. 
E)  Stem cells can directly serve as nerve or blood cells. 
A)  Stem cells can be coaxed to differentiate into the needed specific cell type. 
B)  Stem cells can mitotically divide, providing more stem cells to directly replace the faulty cells and their functions. 
C)  Stem cells can meiotically divide, providing more stem cells to directly replace the faulty cells and their functions. 
D)  Faulty cells can be coaxed to differentiate into stem cells and directly replace the faulty cells and their functions. 
E)  Stem cells can directly serve as nerve or blood cells.

Question 11

The Taq ________ enzyme is used in polymerase chain reaction (PCR)because it remains stable at high temperatures.

Accepted Answer

A)  DNA polymerase 
B)  RNA polymerase 
C)  ribosomal RNA (rRN
A)  
D)  primase 
E)  cytoskeleton 
A)  DNA polymerase 
B)  RNA polymerase 
C)  ribosomal RNA (rRN
A)  
D)  primase 
E)  cytoskeleton

Question 12

Human DNA includes

Accepted Answer

A)  encoding RNA and regulatory sequences that control gene expression. 
B)  genes that are transcribed but not translated. 
C)  pseudogenes. 
D)  remnants of old genes from ancestors. 
E)  All answers are correct. 
A)  encoding RNA and regulatory sequences that control gene expression. 
B)  genes that are transcribed but not translated. 
C)  pseudogenes. 
D)  remnants of old genes from ancestors. 
E)  All answers are correct.

Question 13

Gene therapy might someday be used to treat many genetic disorders by removing faulty genes from somatic cells and replacing them with functional gene copies.

Accepted Answer

A) True 
 B)False

Question 14

Since its invention in the 1980s,the polymerase chain reaction (PCR)is a very common tool,because PCR

Accepted Answer

A)  rapidly replicates DNA sequences with the use of bacterial cells. 
B)  rapidly replicates DNA sequences with the use of animal cells. 
C)  rapidly replicates DNA sequences without the use of living organisms. 
D)  eliminates the need for recombinant DNA. 
E)  reduces the size of plasmids and speeds their insertion. 
A)  rapidly replicates DNA sequences with the use of bacterial cells. 
B)  rapidly replicates DNA sequences with the use of animal cells. 
C)  rapidly replicates DNA sequences without the use of living organisms. 
D)  eliminates the need for recombinant DNA. 
E)  reduces the size of plasmids and speeds their insertion.

Question 15

DNA probes can be used to detect the alleles for

Accepted Answer

A)  cystic fibrosis. 
B)  hemophilia. 
C)  sickle cell disease. 
D)  Tay-Sachs syndrome. 
E)  All answers are correct. 
A)  cystic fibrosis. 
B)  hemophilia. 
C)  sickle cell disease. 
D)  Tay-Sachs syndrome. 
E)  All answers are correct.

Question 16

Applications of DNA technology may result in negative effects,including

Accepted Answer

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

Question 17

What are the possible effects of gene doping?

Accepted Answer

A)  encode for new or more proteins than previously existed in the cell 
B)  boost the production of erythropoietin to stimulate red blood cell production 
C)  make athletes better competitors 
D)  result in negative effects in the body 
E)  All answers are correct. 
A)  encode for new or more proteins than previously existed in the cell 
B)  boost the production of erythropoietin to stimulate red blood cell production 
C)  make athletes better competitors 
D)  result in negative effects in the body 
E)  All answers are correct.

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Question 20

All of the human genome encodes proteins.

Accepted Answer

A) True 
 B)False

Exam 11: DNA Technology

Growth and development of a normal cell differs from a stem cell because

98.5% of the human genome does not encode proteins.

Transfer of transgenes from crop plants to wild relatives can render chemicals like glyphospate ineffective.

A transgenic organism is an organism that receives all of its genes from only a single parent.

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

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.

Stem cell technology has the potential to

How does DNA profiling detect genetic differences between individuals? It uses

Mitosis of a stem cell in an embryo results in ________; mitosis of a specialized cell in an embryo results in ________.

How can stem cells replace faulty cells in the body?

The Taq ________ enzyme is used in polymerase chain reaction (PCR)because it remains stable at high temperatures.

Human DNA includes

Gene therapy might someday be used to treat many genetic disorders by removing faulty genes from somatic cells and replacing them with functional gene copies.

Since its invention in the 1980s,the polymerase chain reaction (PCR)is a very common tool,because PCR

DNA probes can be used to detect the alleles for

Applications of DNA technology may result in negative effects,including

What are the possible effects of gene doping?

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

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

All of the human genome encodes proteins.

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

Filters

Mitosis of a stem cell in an embryo results in ; mitosis of a specialized cell in an embryo results in .