Question 1

A form of biotechnology that uses genetically unspecialized cells to stimulate new cell divisions in the injured area is called

Accepted Answer

A)   transferring a copy of an organism's entire genome to reproduce its traits.
B)   manipulating original DNA sequences to "mutations" that may improve traits of interest.
C)   All of these answer options are typical for cloning research methods.
D)   selection of only one chromosome to transfer, bearing particular genes of interest.
E)   selecting the sex of the offspring, extracting and transferring the sex chromosomes.

Question 2

When the genetic material of multiple organisms has been combined,it is called recombinant DNA.

Accepted Answer

A) True 
 B)False

Question 3

A couple,both carriers of Cystic Fibrosis alleles,can prepare for a child being born with the disease,by testing with

Accepted Answer

A)   preimplantation genetic diagnosis.
B)   cloning and testing the unborn child.
C)   gene therapy.
D)   polymerase chain reaction. A

Question 4

Analysis of data showed that humans and chimpanzees share ___ of common DNA sequences,and ___ of sequences (genes) coding for proteins.

Accepted Answer

A)   98%; 85%
B)   three billion nucleotides; 25 thousand genes
C)   96%; 99%
D)   50%; 98%

Question 5

Many plants,fungi,and even animals can asexually reproduce new genetic copies of themselves because fragments survive.This is a natural version of

Accepted Answer

A)   cloning.
B)   meiosis.
C)   mutation.
D)   None of the answer choices are correct.
E)   transgenic organisms.

Question 6

The genetic molecular material that has been spliced together from multiple organisms is

Accepted Answer

A)   RNA transcriptase.
B)   a zygote.
C)   any specific protein produced from a gene.
D)   recombinant DNA.
E)   both (either)  RNA transcriptase, and any specific protein produced from a gene.

Question 7

A GMO is a transgenic organism.

Accepted Answer

A) True 
 B)False  True

Question 8

The first organism (organisms) to have been produced as transgenic organisms was (were)

Accepted Answer

A)   eukaryotic yeasts.
B)   agricultural plants.
C)   viruses.
D)   bacteria.
E)   Dolly the cloned sheep.

Question 9

Preimplantation genetic diagnosis is one form of biotechnology associated with the fertility technology of

Accepted Answer

A)   cloning.
B)   adult stem cell research.
C)   embryonic stem cell research.
D)   the polymerase chain reaction.
E)   in vitro fertilization.

Question 10

After a cell has been removed from an embryo for preimplantation genetic diagnosis,the embryo

Accepted Answer

A)   cannot develop into a fetus or baby.
B)   will be used for gene therapy on parents or siblings.
C)   will then be placed in a cloning chamber.
D)   will continue to grow and develop.

Question 11

Decorative flowers have been modified,from their wild type,to modern showy versions.Agricultural crops and livestock are selectively produced to have desirable nutrition and yield.Favorite dog and cat breeds exhibit desired traits of appearance and behavior.All of these are examples of

Accepted Answer

A)   how strongly the traits and breeds of transgenic organisms have changed species already.
B)   All of these answer options are correct.
C)   many generations of traditional breeding techniques.
D)   changes leading to new breeds, or entire new species can only be produced with transgenic organisms.
E)   production of transgenic organisms by traditional breeding methods.

Question 12

The medical goal in applying gene therapy to diseased people is to find substitute genes from other organisms to cure the disease condition.

Accepted Answer

A) True 
 B)False

Question 13

Being cloned,Dolly exhibited differences from normally reproduced sheep,in that she

Accepted Answer

A)   was able to reproduce asexually, without requirement of a male sperm.
B)   gave birth to healthy lambs through normal sexual reproduction.
C)   developed lung disease at a young age of six years.
D)   developed both arthritis in her hind legs, and lung disease, dying at a young age.
E)   developed arthritis in her hind legs.

Question 14

In medicine,agriculture,and conservation applications of biotechnology,the common genetic unit used is the

Accepted Answer

A)   gene.
B)   centromere.
C)   nucleotide (nitrogen base) .
D)   chromatid.
E)   allele.

Question 15

Identify the correct comparison in the genetic characteristics between embryonic and adult stem cells.

Accepted Answer

A)   Adult stem cells can produce any of the differentiated cells, while embryonic stem cells can't.
B)   Embryonic stem cells are collected from the testes and ovaries, while adult stem cells are collected from other tissues.
C)   Embryonic stem cells can produce any of the differentiated cells, while adult stem cells can't.
D)   There is not real genetic difference between embryonic and adult stem cells, except how they were collected.
E)   Embryonic stem cells are produced naturally in human development, while adult stem cells are from cloning.

Question 16

The researcher (researchers) who first established the method for DNA sequencing was (were)

Accepted Answer

A)   Ian Wilmut.
B)   James Watson and Francis Crick.
C)   Frederick Sanger.
D)   Gregor Mendel.

Question 17

Unlike plants,the production of transgenic animals commonly relies on viruses as cloning vectors.

Accepted Answer

A) True 
 B)False

Question 18

Identify the least practical option,if your personal genetic testing indicates the presence of a disease-causing allele.

Accepted Answer

A)   You may decide as a potential parent, with your partner, to not have children.
B)   You and your physician may seek treatment for the identified faulty protein(s)  caused by the disease allele.
C)   You will be certain of having the disease, but because it is genetic, you have limited medical options.
D)   You and your physician may identify preventative measures before the disease advances.

Question 19

Figuer:
The chromosomes of humans and chimpanzees look virtually identical in structure, size, and stained banding patterns. 
-The larges difference in chromosomes found between humans and chromosomes,at (human) chromosome 2,is hypothesized to be

Accepted Answer

A)   an evolutionary selection that merged two chromosomes in humans after evolving from a common ancestor with other primates.
B)   the result of the specific family lineage of the chimpanzee, Clint, who provided the DNA and chromosome samples for study.
C)   the only genetic difference that prevents humans and chimpanzees from closer resemblence, behaviors, and communication.
D)   a widely divergent set of genes found in the human chromosome 2, that is not found in the shorter chimpanzee chromosomes.
E)   None of the answer choices are correct.

Question 20

For DNA sequencing,the technological process called ___ separates DNA fragments that have already been isolated and cut into different lengths.

Accepted Answer

A)   translation
B)   electrophoresis
C)   the polymerase chain reaction
D)   binary fission B

Exam 11: DNA Technology

A form of biotechnology that uses genetically unspecialized cells to stimulate new cell divisions in the injured area is called

Correct AnswerverifiedShow Answer

When the genetic material of multiple organisms has been combined,it is called recombinant DNA.

Correct AnswerverifiedShow Answer

A couple,both carriers of Cystic Fibrosis alleles,can prepare for a child being born with the disease,by testing with

Correct AnswerverifiedA

Analysis of data showed that humans and chimpanzees share ___ of common DNA sequences,and ___ of sequences (genes) coding for proteins.

Correct AnswerverifiedShow Answer

Many plants,fungi,and even animals can asexually reproduce new genetic copies of themselves because fragments survive.This is a natural version of

Correct AnswerverifiedShow Answer

The genetic molecular material that has been spliced together from multiple organisms is

Correct AnswerverifiedShow Answer

A GMO is a transgenic organism.

Correct AnswerverifiedTrue

The first organism (organisms) to have been produced as transgenic organisms was (were)

Correct AnswerverifiedShow Answer

Preimplantation genetic diagnosis is one form of biotechnology associated with the fertility technology of

Correct AnswerverifiedShow Answer

After a cell has been removed from an embryo for preimplantation genetic diagnosis,the embryo

Correct AnswerverifiedShow Answer

Decorative flowers have been modified,from their wild type,to modern showy versions.Agricultural crops and livestock are selectively produced to have desirable nutrition and yield.Favorite dog and cat breeds exhibit desired traits of appearance and behavior.All of these are examples of

Correct AnswerverifiedShow Answer

The medical goal in applying gene therapy to diseased people is to find substitute genes from other organisms to cure the disease condition.

Correct AnswerverifiedShow Answer

Being cloned,Dolly exhibited differences from normally reproduced sheep,in that she

Correct AnswerverifiedShow Answer

In medicine,agriculture,and conservation applications of biotechnology,the common genetic unit used is the

Correct AnswerverifiedShow Answer

Identify the correct comparison in the genetic characteristics between embryonic and adult stem cells.

Correct AnswerverifiedShow Answer

The researcher (researchers) who first established the method for DNA sequencing was (were)

Correct AnswerverifiedShow Answer

Unlike plants,the production of transgenic animals commonly relies on viruses as cloning vectors.

Correct AnswerverifiedShow Answer

Identify the least practical option,if your personal genetic testing indicates the presence of a disease-causing allele.

Correct AnswerverifiedShow Answer

Figuer: The chromosomes of humans and chimpanzees look virtually identical in structure, size, and stained banding patterns. -The larges difference in chromosomes found between humans and chromosomes,at (human) chromosome 2,is hypothesized to be

Correct AnswerverifiedShow Answer

For DNA sequencing,the technological process called ___ separates DNA fragments that have already been isolated and cut into different lengths.

Correct AnswerverifiedB

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Analysis of data showed that humans and chimpanzees share _ of common DNA sequences,and _ of sequences (genes) coding for proteins.

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