Question 1

Examine this diagram of short tandem repeats found in DNA profiling of three suspects in a crime.Man 1 shares the same number of STRs as 1 in 5,000 people.Man 2 shares the same number of STRs as 1 in 10,000 people.Man 3 shares the same number of STRs as 1 in 3,500 people.DNA extracted from samples at the crime scene found 6 STR repeats,giving the interpretation that

Accepted Answer

A)   it is more rare to have six STRs than five or seven.
B)   Man 2 must be guilty, based on this proof.
C)   STR numbers match Man 2.
D)   no conclusion can be made, because the STRs all repeat the same sequence of C-T-A.
E)   Man 2 is likely guilty, considering that he has a rare STR profile that matches crime scene samples.F) A) and B)
G) B) and E)

Question 2

Although flowers, and specifically roses, come in many colors, no blue rose has formerly been successfully produced. Since 1840, an international award of 500,000 francs has been offered for the first people or organization to produce a truly blue rose. One DNA technology company, Florigene, Ltd., a Japanese subsidiary from Australia, claimed the production of a genetically blue rose in 2008. Roses have no natural gene for producing blue pigments; further, roses do have a gene that controls the destruction of blue pigment molecules. Researchers had to inject genes from pansie and other flowers to counteract the natural chemistry of the plant.
-The blue flower that Florigene produced is an example of

Accepted Answer

A)   a clone.
B)   stem cell research.
C)   a transgenic organism.
D)   applying gene therapy.E) B) and C)
F) A) and D)

Question 3

The number of nucleotides sequence in chimpanzees is approximately

Accepted Answer

A)   three billion.
B)   400 thousand.
C)   15 million.
D)   ten billion.E) C) and D)
F) None of the above

Question 4

If your physician suspects you have symptoms of a cancer or other genetic disease,he can collect cells for genetic testing by

Accepted Answer

A)   All of the answer choices are correct.
B)   sampling your blood cells.
C)   sampling the tissue which is observed to be affected.
D)   sampling cells in your saliva.
E)   sampling cells that line your mouth.F) C) and D)
G) B) and D)

Question 5

A source for stem cells to be found in humans is in

Accepted Answer

A)   adults, in several specialized tissues.
B)   All of the answer choices are correct.
C)   skin cells.
D)   embryos, after division of the original zygote.
E)   the bone marrow.F) D) and E)
G) None of the above

Question 6

The term that applies to the genetic ability of embryonic stem cells to produce any other specialized (differentiated) cell is

Accepted Answer

A)   transgenic.
B)   pluripotent.
C)   recombinant.
D)   totipotent.
E)   DNA-profiled.F) All of the above
G) A) and B)

Question 7

The method of polymerase chain reaction (PCR)is used to make enough exact copies of DNA for researchers to use in analysis.

Accepted Answer

A) True 
 B)False

Question 8

As researchers continue to use DNA technology to study genomes,one area of focus that could support evolutionary relationships between humans and chimpanzees is

Accepted Answer

A)   going to determine how much of a "wild" genome humans have, providing ethical mandate for conservation of chimpanzees.
B)   in linking specific genotypes to the phenotypes that show obvious appearance differences between the two species.
C)   the study of whole chromosomes, and individual genes different among species, indicating potential sequences of evolutionary divergence.
D)   that comparison of the two species' genomes may lead to new promise for gene therapy for treatment of diseases.E) B) and D)
F) B) and C)

Question 9

After identifying a specific protein associated with a medical problem,the corresponding gene can identified with a ___,which is radioactively or fluorescently tagged.

Accepted Answer

A)   homologous chromosome
B)   DNA probe
C)   pseudogene
D)   heterozygous genotype
E)   short tandem repeatF) A) and E)
G) D) and E)

Question 10

The biotechnology method used to separate and discern specific DNA sequences of genes is "DNA polymerase."

Accepted Answer

A) True 
 B)False

Question 11

The type of cell used from the donor,to provide genetic material that produced the cloned sheep,Dolly,was a

Accepted Answer

A)   specialized somatic cell.
B)   an embryonic stem cell.
C)   a specialized somatic cell, specifically a mammary gland cell.
D)   mammary gland cell.
E)   an egg cell.F) B) and E)
G) A) and B)

Question 12

Among biotechnology applications,gene therapy and genetic engineering are similar,except that

Accepted Answer

A)   a human receiving gene therapy in the somatic cells could not pass on the new alleles to children.
B)   there is no genetic difference between transgenic organisms and humans having had gene therapy.
C)   the genetic sequences transferred in gene therapy are from human to human.
D)   genetic engineering requires DNA sequencing to identify the genes, while human gene therapy does not.
E)   Both answers, regarding the human-to-human gene transfer, and the human with gene therapy not passing on genes to children are correct.F) A) and E)
G) None of the above

Question 13

Figuer:
The chromosomes of humans and chimpanzees look virtually identical in structure, size, and stained banding patterns. 
-As you may remember from chapter 9,section 9.1,karyotypes are used to show chromosomes,and can provide comparative information.The shape,size and stained banding patterns of human and chimpanzee chromosomes was derived

Accepted Answer

A)   through repeated DNA isolations, fragmentations, plasmid insertions, and bacterial culture growth prior to sequencing of each genome.
B)   from the application of DNA profiling and tagging of short tandem repeats in humans and chimpanzees.
C)   by stimulating cells into mitosis, stopping the process at metaphase, then staining and imaging the chromosomes.
D)   after an original human and an original chimpanzee embryonic stem cell was isolated for retrieving the chromosomes.E) C) and D)
F) None of the above

Question 14

The current biotechnology (DNA technology)advancements,in understanding and method,ensure that the methods have no risks or ethical precautions.

Accepted Answer

A) True 
 B)False

Question 15

Although flowers, and specifically roses, come in many colors, no blue rose has formerly been successfully produced. Since 1840, an international award of 500,000 francs has been offered for the first people or organization to produce a truly blue rose. One DNA technology company, Florigene, Ltd., a Japanese subsidiary from Australia, claimed the production of a genetically blue rose in 2008. Roses have no natural gene for producing blue pigments; further, roses do have a gene that controls the destruction of blue pigment molecules. Researchers had to inject genes from pansie and other flowers to counteract the natural chemistry of the plant.
-Because the rose is a plant,the likely cloning vector used to introduce necessary genes was a

Accepted Answer

A)   cloned nucleus.
B)   chromatid.
C)   virus.
D)   bacterial plasmid.E) None of the above
F) C) and D)

Question 16

DNA sequences that do not code for proteins

Accepted Answer

A)   regulate gene expression.
B)   transcribe mRNA, tRNA, and rRNA.
C)   are structural, with repeated and translocated sections.
D)   All of the answer choices are correct.
E)   nonfunctional in the case of pseudogenes.F) B) and E)
G) A) and D)

Question 17

Advancements in many fields of biology,agriculture,conservation,and medicine benefit from DNA technology because

Accepted Answer

A)   each organism, especially among the eukaryotes, inherits a mix of variable genetic information from previous generations.
B)   even DNA replication and cell divisions can produce point mutations and gene abnormalities affecting traits of interest.
C)   the genes among sometimes diverse organisms can produce favorable traits when transferred from one to another.
D)   researchers have gained understanding of how the DNA structure relates to many traits, or diseases.
E)   All of these answer options are correct.F) A) and D)
G) A) and C)

Question 18

An ill or injured patient may have suffered from damaged tissues that the cell cycle,including mitosis,won't naturally repair or replace.This may include damaged nerves,or skin,or muscle.A form of biotechnology that attempts to stimulate new cell divisions with application of cells that are genetically unspecialized,is

Accepted Answer

A)   stem cell research.
B)   genetic engineering.
C)   pre-implantation genetic diagnosis.
D)   cloning.
E)   DNA profiling.F) D) and E)
G) A) and D)

Question 19

Before a desired gene can be spliced into a bacterial plasmid cloning vector,the gene must first be ___ from the original DNA.

Accepted Answer

A)   injected into a bacterial cell or a virus, having different sequences
B)   cloned from the mix of recipient DNA, and
C)   injected into a stem cell, to determine any unwanted traits
D)   precisely cut, with a restriction enzyme,E) A) and D)
F) All of the above

Question 20

If disease symptoms are associated with a genetically inherited allele,tests can be performed

Accepted Answer

A)   on the fetus, during pregnancy.
B)   during all of these stages of life.
C)   on the embryo prior to implantation.
D)   during childhood or as an adult.E) C) and D)
F) All of the above

Exam 11: DNA Technology

Correct Answer
verified

If your physician suspects you have symptoms of a cancer or other genetic disease,he can collect cells for genetic testing by

Correct Answer
verified

As researchers continue to use DNA technology to study genomes,one area of focus that could support evolutionary relationships between humans and chimpanzees is

Correct Answer
verified

The term that applies to the genetic ability of embryonic stem cells to produce any other specialized (differentiated) cell is

Correct Answer
verified

Correct Answer
verified

If disease symptoms are associated with a genetically inherited allele,tests can be performed

Correct Answer
verified

A source for stem cells to be found in humans is in

Correct Answer
verified

The biotechnology method used to separate and discern specific DNA sequences of genes is "DNA polymerase."

Correct Answer
verified

After identifying a specific protein associated with a medical problem,the corresponding gene can identified with a ___,which is radioactively or fluorescently tagged.

Correct Answer
verified

Correct Answer
verified

Among biotechnology applications,gene therapy and genetic engineering are similar,except that

Correct Answer
verified

Advancements in many fields of biology,agriculture,conservation,and medicine benefit from DNA technology because

Correct Answer
verified

Correct Answer
verified

The method of polymerase chain reaction (PCR)is used to make enough exact copies of DNA for researchers to use in analysis.

Correct Answer
verified

The type of cell used from the donor,to provide genetic material that produced the cloned sheep,Dolly,was a

Correct Answer
verified

Correct Answer
verified

The number of nucleotides sequence in chimpanzees is approximately

Correct Answer
verified

DNA sequences that do not code for proteins

Correct Answer
verified

Before a desired gene can be spliced into a bacterial plasmid cloning vector,the gene must first be ___ from the original DNA.

Correct Answer
verified

The current biotechnology (DNA technology)advancements,in understanding and method,ensure that the methods have no risks or ethical precautions.

Correct Answer
verified

Exam 11: DNA Technology

Correct AnswerverifiedShow Answer

If your physician suspects you have symptoms of a cancer or other genetic disease,he can collect cells for genetic testing by

Correct AnswerverifiedShow Answer

As researchers continue to use DNA technology to study genomes,one area of focus that could support evolutionary relationships between humans and chimpanzees is

Correct AnswerverifiedShow Answer

The term that applies to the genetic ability of embryonic stem cells to produce any other specialized (differentiated) cell is

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

If disease symptoms are associated with a genetically inherited allele,tests can be performed

Correct AnswerverifiedShow Answer

A source for stem cells to be found in humans is in

Correct AnswerverifiedShow Answer

The biotechnology method used to separate and discern specific DNA sequences of genes is "DNA polymerase."

Correct AnswerverifiedShow Answer

After identifying a specific protein associated with a medical problem,the corresponding gene can identified with a ___,which is radioactively or fluorescently tagged.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Among biotechnology applications,gene therapy and genetic engineering are similar,except that

Correct AnswerverifiedShow Answer

Advancements in many fields of biology,agriculture,conservation,and medicine benefit from DNA technology because

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The method of polymerase chain reaction (PCR)is used to make enough exact copies of DNA for researchers to use in analysis.

Correct AnswerverifiedShow Answer

The type of cell used from the donor,to provide genetic material that produced the cloned sheep,Dolly,was a

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The number of nucleotides sequence in chimpanzees is approximately

Correct AnswerverifiedShow Answer

DNA sequences that do not code for proteins

Correct AnswerverifiedShow Answer

Before a desired gene can be spliced into a bacterial plasmid cloning vector,the gene must first be ___ from the original DNA.

Correct AnswerverifiedShow Answer

The current biotechnology (DNA technology)advancements,in understanding and method,ensure that the methods have no risks or ethical precautions.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified