Question 1

List three psychiatric disorders known to have a genetic component.

Accepted Answer

1. Schizophrenia
2. Bipolar di

Question 2

The 23ʳᵈ pair of chromosomes, which are either XX or XY, are known as the

Accepted Answer

A)  autosomes. 
B)  sex chromosomes. 
C)  dominant pair. 
D)  recessive pair. 
A)  autosomes. 
B)  sex chromosomes. 
C)  dominant pair. 
D)  recessive pair.

Question 3

Different forms of the same gene are known as

Accepted Answer

A)  autosomes. 
B)  pairs. 
C)  alleles. 
D)  mutations. 
A)  autosomes. 
B)  pairs. 
C)  alleles. 
D)  mutations.

Question 4

What code do genes contain?

Accepted Answer

A)  The code for assembling a particular protein 
B)  The code for DNA 
C)  The code for RNA 
D)  The code for assembling a particular chromosome 
A)  The code for assembling a particular protein 
B)  The code for DNA 
C)  The code for RNA 
D)  The code for assembling a particular chromosome

Question 5

List the four common types of single-gene disorders.

Accepted Answer

1. Autosomal recessi

Question 6

The trait of a recessive allele will only be expressed

Accepted Answer

A)  in the presence of a dominant allele. 
B)  in the absence of a dominant allele. 
C)  if both parents have the trait. 
D)  if neither parent has the trait. 
A)  in the presence of a dominant allele. 
B)  in the absence of a dominant allele. 
C)  if both parents have the trait. 
D)  if neither parent has the trait.

Question 7

The branch of biology that studies the human genome, its variations, and inheritance is

Accepted Answer

A)  microbiology. 
B)  social science. 
C)  genetics. 
D)  gerontology. 
A)  microbiology. 
B)  social science. 
C)  genetics. 
D)  gerontology.

Question 8

All cells and tissues of the human body are composed of proteins.

Accepted Answer

A) True 
 B)False

Question 9

Research suggests that what percentage of an adult's intelligence level is determined by genetics?

Accepted Answer

A)  40% 
B)  45% 
C)  50% 
D)  55% 
A)  40% 
B)  45% 
C)  50% 
D)  55%

Question 10

In autosomal dominant disorders, a parent does not manifest the disease.

Accepted Answer

A) True 
 B)False

Question 11

Some genetic disorders are caused by mutations in a single gene.

Accepted Answer

A) True 
 B)False

Question 12

A father's genetic contribution determines his child's sex.

Accepted Answer

A) True 
 B)False

Question 13

Multifactorial disorders are caused by a combination of genetics and other factors. List the five other factors that play a role in the development of diseases such as type 2 diabetes and heart disease.

Accepted Answer

1. Physiology
2. Behavioral ch

Question 14

DNA stores the genetic code for each person.

Accepted Answer

A) True 
 B)False

Question 15

There are 22 pairs of body chromosomes and how many pairs of sex chromosomes?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 16

A total of 44 chromosomes from the parents determine the traits of their child.

Accepted Answer

A) True 
 B)False

Question 17

When a child inherits an extra copy of chromosome 21, Tay-Sachs disease occurs.

Accepted Answer

A) True 
 B)False

Question 18

Why is color blindness more common in males than in females?

Accepted Answer

A)  It is coded by a damaged allele. 
B)  It is coded by a dominant allele. 
C)  It is carried by a gene on the Y chromosome. 
D)  It is carried by gene on the X chromosome. 
A)  It is coded by a damaged allele. 
B)  It is coded by a dominant allele. 
C)  It is carried by a gene on the Y chromosome. 
D)  It is carried by gene on the X chromosome.

Question 19

Twins are often studied in behavioral genetics because

Accepted Answer

A)  their environment has been similar. 
B)  they have the same DNA. 
C)  they will mimic each other's behavior. 
D)  they have many shared memories. 
A)  their environment has been similar. 
B)  they have the same DNA. 
C)  they will mimic each other's behavior. 
D)  they have many shared memories.

Question 20

An allele can be described as

Accepted Answer

A)  dominant or absent. 
B)  active or passive. 
C)  single-gene or multifactorial. 
D)  dominant or recessive. 
A)  dominant or absent. 
B)  active or passive. 
C)  single-gene or multifactorial. 
D)  dominant or recessive.

Exam 18: Focus On Understanding Your Health Inheritance

List three psychiatric disorders known to have a genetic component.

The 23ʳᵈ pair of chromosomes, which are either XX or XY, are known as the

Different forms of the same gene are known as

What code do genes contain?

List the four common types of single-gene disorders.

The trait of a recessive allele will only be expressed

The branch of biology that studies the human genome, its variations, and inheritance is

All cells and tissues of the human body are composed of proteins.

Research suggests that what percentage of an adult's intelligence level is determined by genetics?

In autosomal dominant disorders, a parent does not manifest the disease.

Some genetic disorders are caused by mutations in a single gene.

A father's genetic contribution determines his child's sex.

Multifactorial disorders are caused by a combination of genetics and other factors. List the five other factors that play a role in the development of diseases such as type 2 diabetes and heart disease.

DNA stores the genetic code for each person.

There are 22 pairs of body chromosomes and how many pairs of sex chromosomes?

A total of 44 chromosomes from the parents determine the traits of their child.

When a child inherits an extra copy of chromosome 21, Tay-Sachs disease occurs.

Why is color blindness more common in males than in females?

Twins are often studied in behavioral genetics because

An allele can be described as

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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