Question 1

In creating a transgenic organism,the ____ from one species is inserted into another species.

Accepted Answer

A)  RNA
B)  DNA
C)  protein
D)  DNA or protein
E)  plasmid

Question 2

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 3

Electrophoresis is used in DNA sequencing

Accepted Answer

A)  to separate the DNA fragments.
B)  to make copies of the DNA fragments.
C)  to transfer DNA between organisms.
D)  to remove DNA from an organism.
E)  All answers are correct.

Question 4

Which of the following is NOT an application of DNA technology?

Accepted Answer

A)  selection of desired traits in breeding
B)  detection of genetic illnesses
C)  replacement of faulty copies of genes
D)  production of genetically-modified crops with greater nutritional value
E)  determination of identity of criminals through DNA profiling

Question 5

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)  All answers are correct.

Question 6

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 7

An organism that receives recombinant DNA

Accepted Answer

A)  has a genetic disease.
B)  is a transgenic organism.
C)  will develop cancer.
D)  is sterile.
E)  is a new species.

Question 8

All of the human genome encodes proteins.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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. E

Question 11

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 A

Question 12

Human DNA encodes

Accepted Answer

A)  All answers are correct.
B)  regulatory sequences that control gene expression.
C)  tRNA.
D)  rRNA.
E)  proteins.

Question 13

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.

Question 14

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

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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 17

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.

Question 18

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

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 D

Question 20

Although ethically questionable,it is possible to correct a genetic disorder through gene therapy in germline cells which give rise to gametes.

Accepted Answer

A) True 
 B)False

Exam 11: DNA Technology

In creating a transgenic organism,the ____ from one species is inserted into another species.

Correct AnswerverifiedShow Answer

What is the function of transposable elements in human DNA?

Correct AnswerverifiedShow Answer

Electrophoresis is used in DNA sequencing

Correct AnswerverifiedShow Answer

Which of the following is NOT an application of DNA technology?

Correct AnswerverifiedShow Answer

How can stem cells replace faulty cells in the body?

Correct AnswerverifiedShow Answer

Genetically-modified bacteria are responsible for producing

Correct AnswerverifiedShow Answer

An organism that receives recombinant DNA

Correct AnswerverifiedShow Answer

All of the human genome encodes proteins.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Stem cell technology has the potential to

Correct AnswerverifiedE

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 AnswerverifiedA

Human DNA encodes

Correct AnswerverifiedShow Answer

What are the possible effects of gene doping?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Human DNA includes

Correct AnswerverifiedShow Answer

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

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 AnswerverifiedD

Although ethically questionable,it is possible to correct a genetic disorder through gene therapy in germline cells which give rise to gametes.

Correct AnswerverifiedShow Answer

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E

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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A

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D

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