Question 1

In hemophilia A,clotting factor ____ is either absent or present in reduced amounts.

Accepted Answer

A)  V 
B)  VI 
C)  VIII 
D)  IV 
E)  X 
A)  V 
B)  VI 
C)  VIII 
D)  IV 
E)  X

Question 2

Which of the following properties is characteristic of an autosomal recessive pattern of inheritance?

Accepted Answer

A)  Every affected individual will have at least one affected parent. 
B)  More males than females will be affected. 
C)  Male and female children are affected in roughly equal numbers. 
D)  More females than males will be affected. 
E)  Individuals who inherit one copy of the disease allele will be affected. 
A)  Every affected individual will have at least one affected parent. 
B)  More males than females will be affected. 
C)  Male and female children are affected in roughly equal numbers. 
D)  More females than males will be affected. 
E)  Individuals who inherit one copy of the disease allele will be affected.

Question 3

A genotype is

Accepted Answer

A)  the genetic make-up of an organism. 
B)  how an organism appears physically. 
C)  based on the interaction of recessive alleles only. 
D)  caused by genetic mutation. 
E)  a genetic disorder. 
A)  the genetic make-up of an organism. 
B)  how an organism appears physically. 
C)  based on the interaction of recessive alleles only. 
D)  caused by genetic mutation. 
E)  a genetic disorder.

Question 4

Which of the following is true about hemophilia A?

Accepted Answer

A)  Today recombinant DNA technology is used to make clotting factors free from contamination of viruses to treat hemophilia patients. 
B)  Hemophilia A is less common than hemophilia B. 
C)  More females have hemophilia A than males. 
D)  Hemophilia A is associated with a lack of clotting-factor X. 
E)  Hemophilia A leads to muscle wasting. 
A)  Today recombinant DNA technology is used to make clotting factors free from contamination of viruses to treat hemophilia patients. 
B)  Hemophilia A is less common than hemophilia B. 
C)  More females have hemophilia A than males. 
D)  Hemophilia A is associated with a lack of clotting-factor X. 
E)  Hemophilia A leads to muscle wasting.

Question 5

Which of the following is true about the genetic disease cystic fibrosis (CF)?

Accepted Answer

A)  CF demonstrates autosomal recessive inheritance. 
B)  CF increases the risk of skin cancer. 
C)  CF patients produce abnormal blood cells. 
D)  CF causes excessive accumulation of phenylalanine in the blood. 
E)  CF causes improper metabolism in nerve cells. 
A)  CF demonstrates autosomal recessive inheritance. 
B)  CF increases the risk of skin cancer. 
C)  CF patients produce abnormal blood cells. 
D)  CF causes excessive accumulation of phenylalanine in the blood. 
E)  CF causes improper metabolism in nerve cells.

Question 6

Match the type of inheritance to the description.
-More females than males are affected.

Accepted Answer

A) autosomal recessive only 
B) autosomal dominant only 
C) X-linked recessive only 
D) autosomal recessive and autosomal dominant only 
E) None of the above. 
A) autosomal recessive only 
B) autosomal dominant only 
C) X-linked recessive only 
D) autosomal recessive and autosomal dominant only 
E) None of the above.

Question 7

MATCHING
Match the description to the disorder.
-Albinism

Accepted Answer

A) Production of thick mucus 
B) Inability to form a clotting factor 
C) Results in muscle wasting 
D) Deformed red blood cells are destroyed faster than they can be replaced 
E) Tumors can cause paralysis or blindness
F)Destruction of cells in parts of the brain
G)Lack of pigmentation 
A) Production of thick mucus 
B) Inability to form a clotting factor 
C) Results in muscle wasting 
D) Deformed red blood cells are destroyed faster than they can be replaced 
E) Tumors can cause paralysis or blindness
F)Destruction of cells in parts of the brain
G)Lack of pigmentation

Question 8

Match the type of inheritance to the description.
-Heterozygous individuals do not show the trait.

Accepted Answer

A) autosomal recessive only 
B) autosomal dominant only 
C) X-linked recessive only 
D) autosomal recessive and autosomal dominant only 
E) None of the above. 
A) autosomal recessive only 
B) autosomal dominant only 
C) X-linked recessive only 
D) autosomal recessive and autosomal dominant only 
E) None of the above.

Question 9

Match the type of inheritance to the description.
-Affected individuals have at least one affected parent.

Accepted Answer

A) autosomal recessive only 
B) autosomal dominant only 
C) X-linked recessive only 
D) autosomal recessive and autosomal dominant only 
E) None of the above. 
A) autosomal recessive only 
B) autosomal dominant only 
C) X-linked recessive only 
D) autosomal recessive and autosomal dominant only 
E) None of the above.

Question 10

Hemophilia A is a(n)____ disorder.

Accepted Answer

A)  X-linked recessive 
B)  autosomal dominant 
C)  autosomal recessive 
D)  X-linked dominant 
E)  non-genetic 
A)  X-linked recessive 
B)  autosomal dominant 
C)  autosomal recessive 
D)  X-linked dominant 
E)  non-genetic

Question 11

What is the distinctive pattern of inheritance found for X-linked recessive traits?

Accepted Answer

A)  Only males are affected. 
B)  Affected males have an affected father. 
C)  Hemizygous males and homozygous females are affected. 
D)  Only females are affected. 
E)  Affected individuals will always have an affected parent and an unaffected parent. 
A)  Only males are affected. 
B)  Affected males have an affected father. 
C)  Hemizygous males and homozygous females are affected. 
D)  Only females are affected. 
E)  Affected individuals will always have an affected parent and an unaffected parent.

Question 12

Which type of genetic condition is much more common in males than females?

Accepted Answer

A)  X-linked recessive 
B)  dominant autosomal 
C)  recessive autosomal 
D)  mutations 
E)  aneuploidy 
A)  X-linked recessive 
B)  dominant autosomal 
C)  recessive autosomal 
D)  mutations 
E)  aneuploidy

Question 13

Today,clotting factor VIII used to treat people with hemophilia A is made using recombinant DNA technology.

Accepted Answer

A) True 
 B)False

Question 14

Match the type of inheritance to the description.
-Affected individuals may have two unaffected parents.

Accepted Answer

A) autosomal recessive only 
B) autosomal dominant only 
C) X-linked recessive only 
D) autosomal recessive and autosomal dominant only 
E) None of the above. 
A) autosomal recessive only 
B) autosomal dominant only 
C) X-linked recessive only 
D) autosomal recessive and autosomal dominant only 
E) None of the above.

Question 15

Which is of the following statements is true about sex-linked traits?

Accepted Answer

A)  Females are hemizygous for any gene on the Y chromosome. 
B)  X-linked recessive genes are always expressed when present in females. 
C)  In general, females are affected by X-linked recessive disorders far more frequently than males. 
D)  Fathers do not donate their X chromosome to their sons. 
E)  If the mother is heterozygous for an X-linked recessive allele, all of her sons will be affected. 
A)  Females are hemizygous for any gene on the Y chromosome. 
B)  X-linked recessive genes are always expressed when present in females. 
C)  In general, females are affected by X-linked recessive disorders far more frequently than males. 
D)  Fathers do not donate their X chromosome to their sons. 
E)  If the mother is heterozygous for an X-linked recessive allele, all of her sons will be affected.

Question 16

The most serious form of muscular dystrophy is Becker muscular dystrophy.

Accepted Answer

A) True 
 B)False

Question 17

Achondroplasia is one form of dwarfism that is associated with abnormalities in growth.It is inherited as a dominant trait.Consider a couple,both of whom are dwarfs due to achondroplasia.Both are heterozygous.In fact,embryos that inherit two copies of the achondroplasia allele do not develop properly and are spontaneously aborted.With this in mind,what are the chances that they will have a child that does not suffer from achondroplasia? There have been cases where couples in these circumstances have chosen to use assisted reproductive technologies to ensure that their children also have achondroplasia.Do you feel that this is a proper use of assisted reproductive technologies? Explain your answer.

Accepted Answer

Since both of the parents are heterozygo

Question 18

MATCHING
Match the description to the disorder.
-Hemophilia A

Accepted Answer

A) Production of thick mucus 
B) Inability to form a clotting factor 
C) Results in muscle wasting 
D) Deformed red blood cells are destroyed faster than they can be replaced 
E) Tumors can cause paralysis or blindness
F)Destruction of cells in parts of the brain
G)Lack of pigmentation 
A) Production of thick mucus 
B) Inability to form a clotting factor 
C) Results in muscle wasting 
D) Deformed red blood cells are destroyed faster than they can be replaced 
E) Tumors can cause paralysis or blindness
F)Destruction of cells in parts of the brain
G)Lack of pigmentation

Question 19

Which of the following statements is true concerning a homozygote?

Accepted Answer

A)  Both alleles for a trait are the same in this individual. 
B)  There is only one copy of a gene for a particular trait. 
C)  Males are more likely to be homozygous than females. 
D)  Two different alleles for a trait are present in a homozygote. 
E)  Homozygotes and heterozygotes will always show the same phenotype. 
A)  Both alleles for a trait are the same in this individual. 
B)  There is only one copy of a gene for a particular trait. 
C)  Males are more likely to be homozygous than females. 
D)  Two different alleles for a trait are present in a homozygote. 
E)  Homozygotes and heterozygotes will always show the same phenotype.

Question 20

Two individuals,each exhibiting albinism (autosomal recessive condition),are expecting a child.What is the probability that they will have a child with albinism?

Accepted Answer

Since both parents exhibit alb

In hemophilia A,clotting factor ____ is either absent or present in reduced amounts.

Which of the following properties is characteristic of an autosomal recessive pattern of inheritance?

A genotype is

Which of the following is true about hemophilia A?

Which of the following is true about the genetic disease cystic fibrosis (CF)?

Match the type of inheritance to the description. -More females than males are affected.

MATCHING Match the description to the disorder. -Albinism

Match the type of inheritance to the description. -Heterozygous individuals do not show the trait.

Match the type of inheritance to the description. -Affected individuals have at least one affected parent.

Hemophilia A is a(n)____ disorder.

What is the distinctive pattern of inheritance found for X-linked recessive traits?

Which type of genetic condition is much more common in males than females?

Today,clotting factor VIII used to treat people with hemophilia A is made using recombinant DNA technology.

Match the type of inheritance to the description. -Affected individuals may have two unaffected parents.

Which is of the following statements is true about sex-linked traits?

The most serious form of muscular dystrophy is Becker muscular dystrophy.

MATCHING Match the description to the disorder. -Hemophilia A

Which of the following statements is true concerning a homozygote?

Two individuals,each exhibiting albinism (autosomal recessive condition),are expecting a child.What is the probability that they will have a child with albinism?

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

Gene Expression and Gene Regulation

Changes in DNA: Mutations and Epigenetics

Biotechnology

Genetic Testing and Prenatal Diagnosis

DNA Forensics

Genomics

Inheritance of Complex Traits

Cancer and the Cell Cycle

Behavior

Immunogenetics

Genetics and Populations

Human Evolution

A Different World: The Past, Present, and Future of Human Genetics

Biology Basics 1-Cells and Cell Structure

Biology Basics 2-DNA and RNA

Biology Basics 3-Genes, Populations, and the Environment

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Exam 4: How Genes Are Transmitted From Generation to Generation

In hemophilia A,clotting factor ____ is either absent or present in reduced amounts.

Which of the following properties is characteristic of an autosomal recessive pattern of inheritance?

A genotype is

Which of the following is true about hemophilia A?

Which of the following is true about the genetic disease cystic fibrosis (CF)?

Match the type of inheritance to the description. -More females than males are affected.

MATCHING Match the description to the disorder. -Albinism

Match the type of inheritance to the description. -Heterozygous individuals do not show the trait.

Match the type of inheritance to the description. -Affected individuals have at least one affected parent.

Hemophilia A is a(n)____ disorder.

What is the distinctive pattern of inheritance found for X-linked recessive traits?

Which type of genetic condition is much more common in males than females?

Today,clotting factor VIII used to treat people with hemophilia A is made using recombinant DNA technology.

Match the type of inheritance to the description. -Affected individuals may have two unaffected parents.

Which is of the following statements is true about sex-linked traits?

The most serious form of muscular dystrophy is Becker muscular dystrophy.

MATCHING Match the description to the disorder. -Hemophilia A

Which of the following statements is true concerning a homozygote?

Two individuals,each exhibiting albinism (autosomal recessive condition),are expecting a child.What is the probability that they will have a child with albinism?

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

Gene Expression and Gene Regulation

Changes in DNA: Mutations and Epigenetics

Biotechnology

Genetic Testing and Prenatal Diagnosis

DNA Forensics

Genomics

Inheritance of Complex Traits

Cancer and the Cell Cycle

Behavior

Immunogenetics

Genetics and Populations

Human Evolution

A Different World: The Past, Present, and Future of Human Genetics

Biology Basics 1-Cells and Cell Structure

Biology Basics 2-DNA and RNA

Biology Basics 3-Genes, Populations, and the Environment

Filters