Question 1

DNA chips can be used to identify the single nucleotide polymorphisms carried by an individual

Accepted Answer

A) True 
 B)False

Question 2

Single nucleotide polymorphisms are single _______ differences within a DNA sequence.

Accepted Answer

The answer of Single nucleotide polymorphisms are single _______ differences...

Question 3

The more complex an organism is, the more genes that organism must have.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following statements best describes an outcome of genetic screening?

Accepted Answer

A)  It can determine the phenotype of a baby before the baby is conceived. 
B)  It looks for the presence of gene mutations to assess a person's future health risks. 
C)  It makes possible the replacement of defective chromosomes. 
D)  It amplifies certain segments of a person's DNA. 
A)  It can determine the phenotype of a baby before the baby is conceived. 
B)  It looks for the presence of gene mutations to assess a person's future health risks. 
C)  It makes possible the replacement of defective chromosomes. 
D)  It amplifies certain segments of a person's DNA.

Question 5

Which of the following statements is not a potential problem with testing for the presence of a breast cancer gene?

Accepted Answer

A)  Other genes may affect the activity of a breast cancer gene. 
B)  A woman might be less careful about getting regular breast exams if she tests negative for a breast cancer gene. 
C)  Lives may be saved as a result of screening for breast cancer genes. 
D)  A woman might have her healthy breasts surgically removed if she tests positive for a breast cancer gene when the cancer might never have occurred. 
A)  Other genes may affect the activity of a breast cancer gene. 
B)  A woman might be less careful about getting regular breast exams if she tests negative for a breast cancer gene. 
C)  Lives may be saved as a result of screening for breast cancer genes. 
D)  A woman might have her healthy breasts surgically removed if she tests positive for a breast cancer gene when the cancer might never have occurred.

Question 6

In the Human Genome Project, DNA from

Accepted Answer

A)  one individual was selected as the model. 
B)  thousands of individuals was used. 
C)  identical twins was used. 
D)  several individuals from diverse backgrounds was used. 
A)  one individual was selected as the model. 
B)  thousands of individuals was used. 
C)  identical twins was used. 
D)  several individuals from diverse backgrounds was used.

Question 7

The pea aphid is a subject of investigation by comparative geneticists because

Accepted Answer

A)  it has large nerve cells that can be used as a model for memory loss. 
B)  it can be a model for studying multiple sclerosis. 
C)  it destroys large areas of rain forests. 
D)  it is pesticide-resistant and a serious pest of corn. 
A)  it has large nerve cells that can be used as a model for memory loss. 
B)  it can be a model for studying multiple sclerosis. 
C)  it destroys large areas of rain forests. 
D)  it is pesticide-resistant and a serious pest of corn.

Question 8

The human genome was the first animal genome to be sequenced.

Accepted Answer

A) True 
 B)False

Question 9

Frederick Sanger

Accepted Answer

A)  developed what would become the most widely used method for sequencing DNA. 
B)  showed that DNA was most probably the genetic material. 
C)  confirmed Mendel's laws using DNA patterns of inheritance. 
D)  published the complete genome for a virus. 
A)  developed what would become the most widely used method for sequencing DNA. 
B)  showed that DNA was most probably the genetic material. 
C)  confirmed Mendel's laws using DNA patterns of inheritance. 
D)  published the complete genome for a virus.

Question 10

Before attempting to sequence the human genome, scientists practiced on the genomes of

Accepted Answer

A)  closely related species. 
B)  organisms with smaller genomes. 
C)  the researchers themselves. 
D)  people with genetic disorders. 
A)  closely related species. 
B)  organisms with smaller genomes. 
C)  the researchers themselves. 
D)  people with genetic disorders.

Question 11

Genes that have remained the same (or very similar) between distantly related organisms and through evolutionary time are considered to be highly _______ genes.

Accepted Answer

The answer of Genes that have remained the same (or...

Question 12

James Watson and Francis Crick

Accepted Answer

A)  created artificial DNA in the laboratory. 
B)  discovered that DNA was the genetic material. 
C)  discovered the structure of DNA. 
D)  sequenced the genome of a nematode worm. 
A)  created artificial DNA in the laboratory. 
B)  discovered that DNA was the genetic material. 
C)  discovered the structure of DNA. 
D)  sequenced the genome of a nematode worm.

Question 13

In order to test for certain genetic diseases, _______ must be isolated from a patient's body tissue.

Accepted Answer

A)  DNA 
B)  lipids 
C)  carbohydrates 
D)  ATP 
A)  DNA 
B)  lipids 
C)  carbohydrates 
D)  ATP

Question 14

Which list below starts with the smallest estimated genome size and ends with the largest?

Accepted Answer

A)  bacterium, fruit fly, nematode worm, budding yeast 
B)  budding yeast, fruit fly, bacterium, nematode worm 
C)  nematode worm, fruit fly, budding yeast, bacterium 
D)  bacterium, budding yeast, nematode worm, fruit fly 
A)  bacterium, fruit fly, nematode worm, budding yeast 
B)  budding yeast, fruit fly, bacterium, nematode worm 
C)  nematode worm, fruit fly, budding yeast, bacterium 
D)  bacterium, budding yeast, nematode worm, fruit fly

Question 15

The sciences of genetics and genomics are the same thing.

Accepted Answer

A) True 
 B)False

Question 16

A doctor has a patient with high blood pressure. The doctor could use single nucleotide polymorphism (SNP) analysis to determine

Accepted Answer

A)  whether the patient currently has high cholesterol. 
B)  what type of medication would most effectively treat this patient's condition. 
C)  how previously prescribed drugs have affected the patient's genome. 
D)  if the patient has recently had a heart attack. 
A)  whether the patient currently has high cholesterol. 
B)  what type of medication would most effectively treat this patient's condition. 
C)  how previously prescribed drugs have affected the patient's genome. 
D)  if the patient has recently had a heart attack.

Question 17

Which of the following is not an example of an ethical problem raised by genetic screening?

Accepted Answer

A)  Parents may attempt to choose the sex of a child. 
B)  Parents may choose to abort a disease-carrying fetus. 
C)  If insurance does not cover screening, only the rich will have access to this technology. 
D)  Carriers of a given genetic disease are more likely to produce children with that disease. 
A)  Parents may attempt to choose the sex of a child. 
B)  Parents may choose to abort a disease-carrying fetus. 
C)  If insurance does not cover screening, only the rich will have access to this technology. 
D)  Carriers of a given genetic disease are more likely to produce children with that disease.

Question 18

SNP profiling can detect an SNP that is associated with the risk of getting Alzheimer's disease.

Accepted Answer

A) True 
 B)False

Question 19

There are still gaps that need to be filled in the mapping of the human genome.

Accepted Answer

A) True 
 B)False

Question 20

The gene whose mutated form is associated with a person's risk of developing Alzheimer's disease normally produces a protein that

Accepted Answer

A)  plays a role in delivering cholesterol to cells. 
B)  encourages plaques to develop in the brain. 
C)  is known as Alzheimer's protein type B. 
D)  has no known uses. 
A)  plays a role in delivering cholesterol to cells. 
B)  encourages plaques to develop in the brain. 
C)  is known as Alzheimer's protein type B. 
D)  has no known uses.

Exam 41: Harnessing the Human Genome

DNA chips can be used to identify the single nucleotide polymorphisms carried by an individual

Single nucleotide polymorphisms are single _______ differences within a DNA sequence.

The more complex an organism is, the more genes that organism must have.

Which of the following statements best describes an outcome of genetic screening?

Which of the following statements is not a potential problem with testing for the presence of a breast cancer gene?

In the Human Genome Project, DNA from

The pea aphid is a subject of investigation by comparative geneticists because

The human genome was the first animal genome to be sequenced.

Frederick Sanger

Before attempting to sequence the human genome, scientists practiced on the genomes of

Genes that have remained the same (or very similar) between distantly related organisms and through evolutionary time are considered to be highly _______ genes.

James Watson and Francis Crick

In order to test for certain genetic diseases, _______ must be isolated from a patient's body tissue.

Which list below starts with the smallest estimated genome size and ends with the largest?

The sciences of genetics and genomics are the same thing.

A doctor has a patient with high blood pressure. The doctor could use single nucleotide polymorphism (SNP) analysis to determine

Which of the following is not an example of an ethical problem raised by genetic screening?

SNP profiling can detect an SNP that is associated with the risk of getting Alzheimer's disease.

There are still gaps that need to be filled in the mapping of the human genome.

The gene whose mutated form is associated with a person's risk of developing Alzheimer's disease normally produces a protein that

The Nature of Science and the Characteristics of Life

Organizing the Diversity of Life

Major Groups of Living Organisms

Chemical Building Blocks

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

DNA

From Gene to Protein

Control of Gene Expression

DNA Technology

How Evolution Works

Evolution of Populations

Adaptation and Speciation

The Evolutionary History of Life

Maintaining the Internal Environment

Animal Nutrition and Digestion

Gas Exchange

The Circulatory System

Animal Hormones

The Nervous System

Sensing the Environment

Skeletons, Muscles, and Movement

Defenses against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

The Biosphere

Growth of Populations

Interactions among Organisms

Communities of Organisms

Ecosystems

Global Change

Biodiversity and People

Cancer: Cell Division Out of Control

Humans and Evolution

Smoking--Beyond Lung Cancer

Feeding a Hungry Planet

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