Question 1

The main problem for sufferers of cystic fibrosis is

Accepted Answer

A)  abnormal hemoglobin. 
B)  elevated levels of cholesterol. 
C)  mucus blocking ducts of glands. 
D)  missing DNA repair enzymes. 
E)  formation of cysts in kidneys. 
A)  abnormal hemoglobin. 
B)  elevated levels of cholesterol. 
C)  mucus blocking ducts of glands. 
D)  missing DNA repair enzymes. 
E)  formation of cysts in kidneys. C

Question 2

The gene responsible for Marfan syndrome encodes a protein associated with

Accepted Answer

A)  heart muscle. 
B)  connective tissue. 
C)  fat tissue. 
D)  red blood cells. 
E)  nervous tissues. 
A)  heart muscle. 
B)  connective tissue. 
C)  fat tissue. 
D)  red blood cells. 
E)  nervous tissues. B

Question 3

Which of the following is NOT a symptom of Marfan syndrome?

Accepted Answer

A)  Vision problems 
B)  Blood vessel defects 
C)  Loose joints 
D)  Short stature 
E)  All of these are symptoms of Marfan syndrome 
A)  Vision problems 
B)  Blood vessel defects 
C)  Loose joints 
D)  Short stature 
E)  All of these are symptoms of Marfan syndrome D

Question 4

The analysis of a pedigree is complete when the information in the pedigree supports the hypothesis formed by the geneticist.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is NOT a characteristic of an autosomal recessive trait?

Accepted Answer

A)  All of the children of two affected individuals are affected. 
B)  If two individuals are heterozygous, the risk of having an affected child is 1:4. 
C)  For rare traits, affected individuals have unaffected parents. 
D)  Every affected individual has at least one affected parent. 
E)  All of these are characteristic of an autosomal recessive trait. 
A)  All of the children of two affected individuals are affected. 
B)  If two individuals are heterozygous, the risk of having an affected child is 1:4. 
C)  For rare traits, affected individuals have unaffected parents. 
D)  Every affected individual has at least one affected parent. 
E)  All of these are characteristic of an autosomal recessive trait.

Question 6

Mendel's laws apply to all sexually reproducing organisms. Therefore, the basic methods of genetic analysis in humans and other organisms is the same.

Accepted Answer

A) True 
 B)False

Question 7

Human traits are controlled only by the genetic material found in the 46 chromosomes.

Accepted Answer

A) True 
 B)False

Question 8

Color blindness only occurs in males.

Accepted Answer

A) True 
 B)False

Question 9

Two phenotypically normal parents have six children. Two daughters and two sons have the same genetic disease. This would be the expected situation for

Accepted Answer

A)  hemophilia. 
B)  cystic fibrosis. 
C)  Marfan syndrome. 
D)  hypophosphatemia. 
E)  all of these. 
A)  hemophilia. 
B)  cystic fibrosis. 
C)  Marfan syndrome. 
D)  hypophosphatemia. 
E)  all of these.

Question 10

How would you distinguish between a trait that is X-linked dominant trait and one that is autosomal dominant?

Accepted Answer

To distinguish between an X-linked domin

Question 11

Approximately how many Y-linked genes have been discovered?

Accepted Answer

A)  None 
B)  10 
C)  36 
D)  100 
E)  300 
A)  None 
B)  10 
C)  36 
D)  100 
E)  300

Question 12

Mitochondrial gene defects mainly cause myopathies (conditions affecting ____________________), and encephalomyopathies (conditions also affecting ____________________).

Accepted Answer

The answer of Mitochondrial gene defects mainly cause myopathies (conditions...

Question 13

The gene that codes for the connective tissue protein fibrillin is the gene that causes ____________________.

Accepted Answer

The answer of The gene that codes for the connective...

Question 14

Valeria has a serious disorder called fragile X syndrome and her brother does not have the disorder. Her mother does not have the disorder but her father does. What is the most likely inheritance pattern for fragile X syndrome?

Accepted Answer

A)  Autosomal dominant 
B)  Autosomal recessive 
C)  X-linked dominant 
D)  X-linked recessive 
E)  Y-linked recessive 
A)  Autosomal dominant 
B)  Autosomal recessive 
C)  X-linked dominant 
D)  X-linked recessive 
E)  Y-linked recessive

Question 15

Adults who have children who have died from lethal recessive disorders are most likely ____________________.

Accepted Answer

The answer of Adults who have children who have died...

Question 16

A defective form of the protein dystrophin is involved in the diseases __________ and ________.

Accepted Answer

Duchenne muscular dy

Question 17

Is it easier to work out pedigrees for dominant traits than for recessive ones? What can complicate the analysis of dominant traits?

Accepted Answer

Working out pedigrees for dominant trait

Question 18

The underlying problem with cystic fibrosis is

Accepted Answer

A)  the inability to transport chloride ions. 
B)  mutations in the hemoglobin molecule. 
C)  defective ganglioside molecules. 
D)  the inability to metabolize certain amino acids. 
E)  abnormal fat deposits around the heart. 
A)  the inability to transport chloride ions. 
B)  mutations in the hemoglobin molecule. 
C)  defective ganglioside molecules. 
D)  the inability to metabolize certain amino acids. 
E)  abnormal fat deposits around the heart.

Question 19

Duchenne muscular dystrophy and Becker's muscular dystrophy represent allelic forms of the same X-linked gene.

Accepted Answer

A) True 
 B)False

Question 20

Hemophilia was a significant issue in the life of

Accepted Answer

A)  Abraham Lincoln. 
B)  Olympic volleyball star Flo Hyman. 
C)  Noah. 
D)  the family of the last tsar of Russia. 
E)  King George III of England. 
A)  Abraham Lincoln. 
B)  Olympic volleyball star Flo Hyman. 
C)  Noah. 
D)  the family of the last tsar of Russia. 
E)  King George III of England.

The main problem for sufferers of cystic fibrosis is

The gene responsible for Marfan syndrome encodes a protein associated with

Which of the following is NOT a symptom of Marfan syndrome?

The analysis of a pedigree is complete when the information in the pedigree supports the hypothesis formed by the geneticist.

Which of the following is NOT a characteristic of an autosomal recessive trait?

Mendel's laws apply to all sexually reproducing organisms. Therefore, the basic methods of genetic analysis in humans and other organisms is the same.

Human traits are controlled only by the genetic material found in the 46 chromosomes.

Color blindness only occurs in males.

Two phenotypically normal parents have six children. Two daughters and two sons have the same genetic disease. This would be the expected situation for

How would you distinguish between a trait that is X-linked dominant trait and one that is autosomal dominant?

Approximately how many Y-linked genes have been discovered?

Mitochondrial gene defects mainly cause myopathies (conditions affecting ), and encephalomyopathies (conditions also affecting ).

The gene that codes for the connective tissue protein fibrillin is the gene that causes ____________________.

Valeria has a serious disorder called fragile X syndrome and her brother does not have the disorder. Her mother does not have the disorder but her father does. What is the most likely inheritance pattern for fragile X syndrome?

Adults who have children who have died from lethal recessive disorders are most likely ____________________.

A defective form of the protein dystrophin is involved in the diseases __ and .

Is it easier to work out pedigrees for dominant traits than for recessive ones? What can complicate the analysis of dominant traits?

The underlying problem with cystic fibrosis is

Duchenne muscular dystrophy and Becker's muscular dystrophy represent allelic forms of the same X-linked gene.

Hemophilia was a significant issue in the life of

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes From Generation to Generation

Complex Patterns of Inheritance

Cytogenetics: Karyotypes and Chromosome Aberrations

Development and Sex Determination

DNA Structure and Chromosomal Organization

Gene Expression: From Genes to Proteins

From Proteins to Phenotypes

Mutation: the Source of Genetic Variation

Genes and Cancer

An Introduction to Genetic Technology

Biotechnology and Society

Genomes and Genomics

Reproductive Technology, Genetic Testing, and Gene Therapy

Genes and the Immune System

Genetics of Behavior

Population Genetics and Human Evolution

Filters

Exam 4: Pedigree Analysis in Human Genetics

The main problem for sufferers of cystic fibrosis is

The gene responsible for Marfan syndrome encodes a protein associated with

Which of the following is NOT a symptom of Marfan syndrome?

The analysis of a pedigree is complete when the information in the pedigree supports the hypothesis formed by the geneticist.

Which of the following is NOT a characteristic of an autosomal recessive trait?

Mendel's laws apply to all sexually reproducing organisms. Therefore, the basic methods of genetic analysis in humans and other organisms is the same.

Human traits are controlled only by the genetic material found in the 46 chromosomes.

Color blindness only occurs in males.

Two phenotypically normal parents have six children. Two daughters and two sons have the same genetic disease. This would be the expected situation for

How would you distinguish between a trait that is X-linked dominant trait and one that is autosomal dominant?

Approximately how many Y-linked genes have been discovered?

Mitochondrial gene defects mainly cause myopathies (conditions affecting ____________________), and encephalomyopathies (conditions also affecting ____________________).

The gene that codes for the connective tissue protein fibrillin is the gene that causes ____________________.

Valeria has a serious disorder called fragile X syndrome and her brother does not have the disorder. Her mother does not have the disorder but her father does. What is the most likely inheritance pattern for fragile X syndrome?

Adults who have children who have died from lethal recessive disorders are most likely ____________________.

A defective form of the protein dystrophin is involved in the diseases __________ and ________.

Is it easier to work out pedigrees for dominant traits than for recessive ones? What can complicate the analysis of dominant traits?

The underlying problem with cystic fibrosis is

Duchenne muscular dystrophy and Becker's muscular dystrophy represent allelic forms of the same X-linked gene.

Hemophilia was a significant issue in the life of

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes From Generation to Generation

Complex Patterns of Inheritance

Cytogenetics: Karyotypes and Chromosome Aberrations

Development and Sex Determination

DNA Structure and Chromosomal Organization

Gene Expression: From Genes to Proteins

From Proteins to Phenotypes

Mutation: the Source of Genetic Variation

Genes and Cancer

An Introduction to Genetic Technology

Biotechnology and Society

Genomes and Genomics

Reproductive Technology, Genetic Testing, and Gene Therapy

Genes and the Immune System

Genetics of Behavior

Population Genetics and Human Evolution

Filters

Mitochondrial gene defects mainly cause myopathies (conditions affecting ), and encephalomyopathies (conditions also affecting ).

A defective form of the protein dystrophin is involved in the diseases __ and .