Question 1

Ingo Potrykus and Peter Beyer introduced genes for the production of beta-carotene, a precursor of vitamin A, into rice.They used rice because rice

Accepted Answer

A) is the main food for people in impoverished countries. 
B) plants were readily available to them. 
C) plants can produce some vitamin A on their own. 
D) is otherwise a complete nutrient source. 
E) is all of these. 
A) is the main food for people in impoverished countries. 
B) plants were readily available to them. 
C) plants can produce some vitamin A on their own. 
D) is otherwise a complete nutrient source. 
E) is all of these.

Question 2

One of the first successful applications of genetic engineering was the commercial production of

Accepted Answer

A) clotting factor. 
B) insulin. 
C) hemoglobin. 
D) collagen. 
E) human growth factor. 
A) clotting factor. 
B) insulin. 
C) hemoglobin. 
D) collagen. 
E) human growth factor.

Question 3

The most common GMOs are

Accepted Answer

A) protists and plants 
B) fungi 
C) animals 
D) bacteria and fungi 
E) plants 
A) protists and plants 
B) fungi 
C) animals 
D) bacteria and fungi 
E) plants

Question 4

Gene therapy

Accepted Answer

A) has not yet been used successfully with mammals. 
B) is a surgical technique that replaces defective genes with normal genes. 
C) has been used successfully to treat victims of autosomal dominant disorders by replacing the dominant allele with a recessive allele. 
D) is a genetic engineering technique that replaces defective alleles with normal ones. 
E) is none of these. 
A) has not yet been used successfully with mammals. 
B) is a surgical technique that replaces defective genes with normal genes. 
C) has been used successfully to treat victims of autosomal dominant disorders by replacing the dominant allele with a recessive allele. 
D) is a genetic engineering technique that replaces defective alleles with normal ones. 
E) is none of these.

Question 5

The first transgenic animals were created in

Accepted Answer

A) 1952. 
B) 1962. 
C) 1972. 
D) 1982. 
E) 1992. 
A) 1952. 
B) 1962. 
C) 1972. 
D) 1982. 
E) 1992.

Question 6

Recombinant DNA is any DNA that

Accepted Answer

A) has been cut by restriction enzymes. 
B) is at least four to eight base pairs in length. 
C) has had its gene sequence rearranged. 
D) consists of base pairs from two or more organisms 
E) is none of these. 
A) has been cut by restriction enzymes. 
B) is at least four to eight base pairs in length. 
C) has had its gene sequence rearranged. 
D) consists of base pairs from two or more organisms 
E) is none of these.

Question 7

Which of the following have been produced through genetic engineering?

Accepted Answer

A) insect resistant corn 
B) drought tolerant banana trees 
C) aspen trees that produce less lignin for better paper making 
D) glyphosate resistant soy 
E) all of these 
A) insect resistant corn 
B) drought tolerant banana trees 
C) aspen trees that produce less lignin for better paper making 
D) glyphosate resistant soy 
E) all of these

Question 8

All of the following are true concerning plasmids EXCEPT that they

Accepted Answer

A) are self-reproducing circular molecules of DNA. 
B) are sites for inserting genes for amplification. 
C) may be transferred between different species of bacteria. 
D) may confer the ability to donate genetic material when bacteria conjugate. 
E) are usually essential in bacteria. 
A) are self-reproducing circular molecules of DNA. 
B) are sites for inserting genes for amplification. 
C) may be transferred between different species of bacteria. 
D) may confer the ability to donate genetic material when bacteria conjugate. 
E) are usually essential in bacteria.

Question 9

Probes for cloned genes use

Accepted Answer

A) complementary nucleotide sequences labeled with a tracer 
B) specific antibodies that kill all the cells except those that have incorporated the genes. 
C) specific enzymes that lyse all the cells except those that have incorporated the genes. 
D) certain bacteria that glow when they take up the genes. 
E) all of these. 
A) complementary nucleotide sequences labeled with a tracer 
B) specific antibodies that kill all the cells except those that have incorporated the genes. 
C) specific enzymes that lyse all the cells except those that have incorporated the genes. 
D) certain bacteria that glow when they take up the genes. 
E) all of these.

Question 10

Which of the following is NOT involved in probing for a gene using nucleic acid hybridization and a radioactive probe?

Accepted Answer

A) cloning of individual cells 
B) a hybridized probe 
C) rupturing cells 
D) denaturing DNA 
E) antibiotics that kill the cells that have not incorporated the gene 
A) cloning of individual cells 
B) a hybridized probe 
C) rupturing cells 
D) denaturing DNA 
E) antibiotics that kill the cells that have not incorporated the gene

Question 11

The fragments of chromosomes split by restriction enzymes

Accepted Answer

A) have fused ends. 
B) have specific sequences of nucleotides and often have sticky ends. 
C) each have the same number of nucleotides as the original chromosome. 
D) form a circle. 
E) have modified DNA nucleotides. 
A) have fused ends. 
B) have specific sequences of nucleotides and often have sticky ends. 
C) each have the same number of nucleotides as the original chromosome. 
D) form a circle. 
E) have modified DNA nucleotides.

Question 12

"Genetic fingerprinting" is based on unique

Accepted Answer

A) nucleotide base pairing 
B) types of nucleotides 
C) differences in tandem repeats. 
D) ratios of purines to pyrimidines 
E) bonding patterns between nucleotides 
A) nucleotide base pairing 
B) types of nucleotides 
C) differences in tandem repeats. 
D) ratios of purines to pyrimidines 
E) bonding patterns between nucleotides

Question 13

Which area of biology is concerned with studying gene maps, looking for similarities and differences that point to evolutionary connections?

Accepted Answer

A) structural genomics 
B) Darwinian genomics 
C) phylogenetic genomics 
D) comparative genomics 
E) classical genomics 
A) structural genomics 
B) Darwinian genomics 
C) phylogenetic genomics 
D) comparative genomics 
E) classical genomics

Question 14

Golden rice was genetically engineered to

Accepted Answer

A) produce vitamin B12. 
B) produce vitamin A. 
C) bind minute gold molecules. 
D) grow twice as fast as normal rice. 
E) do all of these. 
A) produce vitamin B12. 
B) produce vitamin A. 
C) bind minute gold molecules. 
D) grow twice as fast as normal rice. 
E) do all of these.

Question 15

Which of the following is (are) true concerning the use of DNA fingerprinting?

Accepted Answer

A) It can be used on very small samples of hair or blood. 
B) The procedure has been firmly established as accurate and unambiguous. 
C) PCR can be used to amplify tandem repeat regions of DNA. 
D) It has been used to convict the guilty and exonerate the innocent. 
E) All of these are true. 
A) It can be used on very small samples of hair or blood. 
B) The procedure has been firmly established as accurate and unambiguous. 
C) PCR can be used to amplify tandem repeat regions of DNA. 
D) It has been used to convict the guilty and exonerate the innocent. 
E) All of these are true.

Question 16

Biotech barnyard animals produce which of the following human products?

Accepted Answer

A) a protein that treats cystic fibrosis 
B) a protein that counters the effects of a heart attack 
C) interleukin-2 that triggers divisions of certain human immune cells 
D) a protein that treats blood-clotting disorders 
E) all of these 
A) a protein that treats cystic fibrosis 
B) a protein that counters the effects of a heart attack 
C) interleukin-2 that triggers divisions of certain human immune cells 
D) a protein that treats blood-clotting disorders 
E) all of these

Question 17

Tinkering with the genetics of animals

Accepted Answer

A) does not raise ethical questions. 
B) violates the laws of nature. 
C) can be viewed as an extension of thousands of years of acceptable barnyard practices. 
D) will inevitably result in the elimination of natural species. 
E) is not considered an acceptable scientific endeavor. 
A) does not raise ethical questions. 
B) violates the laws of nature. 
C) can be viewed as an extension of thousands of years of acceptable barnyard practices. 
D) will inevitably result in the elimination of natural species. 
E) is not considered an acceptable scientific endeavor.

Question 18

When the gene for rat growth hormone was injected into mouse eggs,

Accepted Answer

A) they were subsequently implanted unsuccessfully into female mice. 
B) a third of the offspring of the surrogate mothers grew much lager than their littermates. 
C) the rat gene integrated into the mouse DNA, but did not express itself. 
D) the rat gene failed to integrate into the mouse DNA. 
E) all of the offspring of the surrogate mothers grew much larger than their littermates. 
A) they were subsequently implanted unsuccessfully into female mice. 
B) a third of the offspring of the surrogate mothers grew much lager than their littermates. 
C) the rat gene integrated into the mouse DNA, but did not express itself. 
D) the rat gene failed to integrate into the mouse DNA. 
E) all of the offspring of the surrogate mothers grew much larger than their littermates.

Question 19

Ingo Potrykus and Peter Beyer's production of a new variety of rice is not unlike the artificial selection practices of previous agrarian societies that produced new

Accepted Answer

A) plants. 
B) breeds of cattle. 
C) breeds of cats. 
D) breeds of birds. 
E) all of these. 
A) plants. 
B) breeds of cattle. 
C) breeds of cats. 
D) breeds of birds. 
E) all of these.

Exam 16: Recombinant Dna and Genetic Engineering

Ingo Potrykus and Peter Beyer introduced genes for the production of beta-carotene, a precursor of vitamin A, into rice.They used rice because rice

One of the first successful applications of genetic engineering was the commercial production of

The most common GMOs are

Gene therapy

The first transgenic animals were created in

Recombinant DNA is any DNA that

Which of the following have been produced through genetic engineering?

All of the following are true concerning plasmids EXCEPT that they

Probes for cloned genes use

Which of the following is NOT involved in probing for a gene using nucleic acid hybridization and a radioactive probe?

The fragments of chromosomes split by restriction enzymes

"Genetic fingerprinting" is based on unique

Which area of biology is concerned with studying gene maps, looking for similarities and differences that point to evolutionary connections?

Golden rice was genetically engineered to

Which of the following is (are) true concerning the use of DNA fingerprinting?

Biotech barnyard animals produce which of the following human products?

Tinkering with the genetics of animals

When the gene for rat growth hormone was injected into mouse eggs,

Ingo Potrykus and Peter Beyer's production of a new variety of rice is not unlike the artificial selection practices of previous agrarian societies that produced new

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

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