Question 1

A family health history is a record of health information about close relatives who have died.

Accepted Answer

A) True 
 B)False

Question 2

List the three primary types of genetic diseases.

Accepted Answer

1. Single-gene disor

Question 3

A dominant allele always

Accepted Answer

A)  recedes in the presence of another allele. 
B)  expresses the trait it codes for. 
C)  produces the stronger of two traits. 
D)  exists on the X chromosome. 
A)  recedes in the presence of another allele. 
B)  expresses the trait it codes for. 
C)  produces the stronger of two traits. 
D)  exists on the X chromosome.

Question 4

Albinism, Tay-Sachs disease, and cystic fibrosis are examples of

Accepted Answer

A)  X-linked recessive disorders. 
B)  X-lined dominant disorders. 
C)  autosomal recessive disorders. 
D)  autosomal dominant disorders. 
A)  X-linked recessive disorders. 
B)  X-lined dominant disorders. 
C)  autosomal recessive disorders. 
D)  autosomal dominant disorders.

Question 5

A common chromosome disorder is

Accepted Answer

A)  hemophilia. 
B)  Down syndrome. 
C)  cystic fibrosis. 
D)  muscular dystrophy. 
A)  hemophilia. 
B)  Down syndrome. 
C)  cystic fibrosis. 
D)  muscular dystrophy.

Question 6

Each gene is a sequence of chemical instructions for combining which substances into a specific protein?

Accepted Answer

A)  ribonucleic acids. 
B)  nucleic acids. 
C)  fatty acids. 
D)  amino acids. 
A)  ribonucleic acids. 
B)  nucleic acids. 
C)  fatty acids. 
D)  amino acids.

Question 7

All of the genetic information an organism possesses is its

Accepted Answer

A)  genome. 
B)  chromosome. 
C)  gene. 
D)  allele. 
A)  genome. 
B)  chromosome. 
C)  gene. 
D)  allele.

Question 8

The process by which physical and biological characteristics (traits) are transmitted from parents to their offspring is known as

Accepted Answer

A)  genetics. 
B)  transmission. 
C)  inheritance. 
D)  mutation. 
A)  genetics. 
B)  transmission. 
C)  inheritance. 
D)  mutation.

Question 9

Preventive behaviors will not change your risk of an inherited disease.

Accepted Answer

A) True 
 B)False

Question 10

The XX or XY chromosomes determine your

Accepted Answer

A)  eye color. 
B)  hair color. 
C)  gender. 
D)  build. 
A)  eye color. 
B)  hair color. 
C)  gender. 
D)  build.

Question 11

Susceptibility to chronic diseases is not inherited.

Accepted Answer

A) True 
 B)False

Question 12

A defect in a single gene is known as a(n)

Accepted Answer

A)  carrier. 
B)  allele. 
C)  mutation. 
D)  link. 
A)  carrier. 
B)  allele. 
C)  mutation. 
D)  link.

Question 13

One of several possible variants of the same gene is a(n)

Accepted Answer

A)  mutation. 
B)  adaptation. 
C)  trait. 
D)  allele. 
A)  mutation. 
B)  adaptation. 
C)  trait. 
D)  allele.

Question 14

Human DNA contains more than 30,000 genes.

Accepted Answer

A) True 
 B)False

Question 15

A person's lifestyle and behavioral choices do not play a role in multifactorial disorders.

Accepted Answer

A) True 
 B)False

Question 16

A chromosome disorder can occur if an extra chromosome is present or if a chromosome is

Accepted Answer

A)  damaged or missing. 
B)  carried or duplicated. 
C)  weakened or flattening. 
D)  misshapen or enlarged. 
A)  damaged or missing. 
B)  carried or duplicated. 
C)  weakened or flattening. 
D)  misshapen or enlarged.

Question 17

Genes are the factor that most strongly predicts addictive behaviors.

Accepted Answer

A) True 
 B)False

Question 18

Single-gene disorders are classified according to the type of allele (recessive or dominant) and the type of

Accepted Answer

A)  diagnosis. 
B)  treatment. 
C)  chromosome. 
D)  karotype. 
A)  diagnosis. 
B)  treatment. 
C)  chromosome. 
D)  karotype.

Question 19

What percentage of the human DNA sequence makes each person unique?

Accepted Answer

A)  0.1% 
B)  0.2% 
C)  0.3% 
D)  0.4% 
A)  0.1% 
B)  0.2% 
C)  0.3% 
D)  0.4%

Question 20

When a cell prepares to divide, its DNA organizes into 46 distinct bundles called

Accepted Answer

A)  genomes. 
B)  chromosomes. 
C)  genes. 
D)  alleles. 
A)  genomes. 
B)  chromosomes. 
C)  genes. 
D)  alleles.

Exam 18: Focus On Understanding Your Health Inheritance

A family health history is a record of health information about close relatives who have died.

List the three primary types of genetic diseases.

A dominant allele always

Albinism, Tay-Sachs disease, and cystic fibrosis are examples of

A common chromosome disorder is

Each gene is a sequence of chemical instructions for combining which substances into a specific protein?

All of the genetic information an organism possesses is its

The process by which physical and biological characteristics (traits) are transmitted from parents to their offspring is known as

Preventive behaviors will not change your risk of an inherited disease.

The XX or XY chromosomes determine your

Susceptibility to chronic diseases is not inherited.

A defect in a single gene is known as a(n)

One of several possible variants of the same gene is a(n)

Human DNA contains more than 30,000 genes.

A person's lifestyle and behavioral choices do not play a role in multifactorial disorders.

A chromosome disorder can occur if an extra chromosome is present or if a chromosome is

Genes are the factor that most strongly predicts addictive behaviors.

Single-gene disorders are classified according to the type of allele (recessive or dominant) and the type of

What percentage of the human DNA sequence makes each person unique?

When a cell prepares to divide, its DNA organizes into 46 distinct bundles called

Accessing Your Health

Promoting and Preserving Your Psychological Health

Focus On Cultivating Your Spiritual Health

Managing Stress and Coping With Life's Challenges

Focus On Improving Your Sleep

Building Healthy Relationships and Communicating Effectively

Understanding Your Sexuality

Considering Your Reproductive Choices

Eating for a Healthier You

Reaching and Maintaining a Healthy Weight

Focus On Enhancing Your Body Image

Improving Your Physical Fitness

Recognizing and Avoiding Addiction

Drinking Alcohol Responsibly

Ending Tobacco Use

Avoiding Drug Misuse and Abuse

Protecting against Infectious Diseases and Sexually Transmitted Infections

Preventing Cardiovascular Disease

Focus On Minimizing Your Risk for Diabetes

Reducing Your Cancer Risk

Reducing Risks and Coping with Chronic Conditions

Choosing Conventional and Complementary Health Care

Preventing Violence and Abuse

Focus On Reducing Your Risk of Unintentional Injury

Preserving and Protecting Your Environment

Preparing for Aging, Death, and Dying

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