Question 1

Choose the most appropriate answer for each.
-inversion

Accepted Answer

A) 3n; generally sterile 
B) a chromosome segment is permanently transferred to a nonhomologous chromosome 
C) (2n - 1); a zygote deprived of a chromosome 
D) a repeat of a particular DNA sequence in the same chromosome or in nonhomologous ones 
E) (2n + 1); three chromosomes of the same kind are present in a set of chromosomes
F)a piece of the chromosome is inadvertently left out during the repair process
G)a chromosome segment that has been cut out and rejoined at the same place, but backward 
A) 3n; generally sterile 
B) a chromosome segment is permanently transferred to a nonhomologous chromosome 
C) (2n - 1); a zygote deprived of a chromosome 
D) a repeat of a particular DNA sequence in the same chromosome or in nonhomologous ones 
E) (2n + 1); three chromosomes of the same kind are present in a set of chromosomes
F)a piece of the chromosome is inadvertently left out during the repair process
G)a chromosome segment that has been cut out and rejoined at the same place, but backward

Question 2

A chromosome's gene sequence that was ABCDEFG before modification and ABCDCDEFG afterward is an example of

Accepted Answer

A)  inversion. 
B)  deletion. 
C)  duplication. 
D)  translocation. 
E)  aneuploidy. 
A)  inversion. 
B)  deletion. 
C)  duplication. 
D)  translocation. 
E)  aneuploidy.

Question 3

Figure 14.3
  
-Which of the following is the genetic condition observed in the woman on the left in the above figure?

Accepted Answer

A)  Huntington's disease 
B)  Achondroplasia 
C)  Triple recessive condition 
D)  Galactosemia 
E)  Muscular dystrophies 
A)  Huntington's disease 
B)  Achondroplasia 
C)  Triple recessive condition 
D)  Galactosemia 
E)  Muscular dystrophies

Question 4

Rarely,a chromosome's structure becomes altered when part of it undergoes duplication,deletion,insertion,__________,or __________.

Accepted Answer

inversion;

Question 5

What is the sex chromosome composition of a person with Turner syndrome?

Accepted Answer

A)  XXX 
B)  XO 
C)  XXY 
D)  XYY 
E)  YY 
A)  XXX 
B)  XO 
C)  XXY 
D)  XYY 
E)  YY

Question 6

Select the disorder that best matches each the following statements.
-This disorder is an autosomal recessive disorder that results in the body's inability to break down lipids.

Accepted Answer

A) Tay-Sachs disease 
B) Turner syndrome 
C) Progeria 
D) Hemophilia A 
E) Down syndrome 
A) Tay-Sachs disease 
B) Turner syndrome 
C) Progeria 
D) Hemophilia A 
E) Down syndrome

Question 7

Match the cause with the disorder.
-albinism

Accepted Answer

A) autosomal recessive inheritance resulting in abnormally low melanin levels 
B) nondisjunction of the twenty-first chromosomal pair 
C) X-linked recessive inheritance 
D) nondisjunction of the sex chromosomes 
A) autosomal recessive inheritance resulting in abnormally low melanin levels 
B) nondisjunction of the twenty-first chromosomal pair 
C) X-linked recessive inheritance 
D) nondisjunction of the sex chromosomes

Question 8

Excerpt from Figure 14.8
  
-The accompanying figure represents which chromosomal change?

Accepted Answer

A)  Inversion 
B)  Deletion 
C)  Duplication 
D)  Translocation 
E)  Aneuploidy 
A)  Inversion 
B)  Deletion 
C)  Duplication 
D)  Translocation 
E)  Aneuploidy

Question 9

In humans,which genetic mechanism led to the formation of the X and Y chromosomes?

Accepted Answer

A)  Translocation 
B)  Nondisjunction 
C)  Inversion 
D)  Reduced crossing over 
E)  Insertion 
A)  Translocation 
B)  Nondisjunction 
C)  Inversion 
D)  Reduced crossing over 
E)  Insertion

Question 10

If a daughter expresses an X-linked recessive trait,she inherited the trait from ____.

Accepted Answer

A)  her mother 
B)  her father 
C)  both parents 
D)  neither parent 
E)  her grandmother 
A)  her mother 
B)  her father 
C)  both parents 
D)  neither parent 
E)  her grandmother

Question 11

Symptoms of phenylketonuria (PKU)may be minimized or suppressed by a diet low in

Accepted Answer

A)  serine. 
B)  glycine. 
C)  phenylalanine. 
D)  proline. 
E)  glutamic acid. 
A)  serine. 
B)  glycine. 
C)  phenylalanine. 
D)  proline. 
E)  glutamic acid.

Question 12

Which nondisjunction disorder must be due to an event in sperm development?

Accepted Answer

A)  XO 
B)  XXX 
C)  XXY 
D)  XYY 
E)  Trisomy 21 
A)  XO 
B)  XXX 
C)  XXY 
D)  XYY 
E)  Trisomy 21

Question 13

Males that tend to be taller than average and show mild mental impairment may have

Accepted Answer

A)  XXY chromosomes. 
B)  XYY chromosomes. 
C)  Turner syndrome. 
D)  Down syndrome. 
E)  Klinefelter syndrome. 
A)  XXY chromosomes. 
B)  XYY chromosomes. 
C)  Turner syndrome. 
D)  Down syndrome. 
E)  Klinefelter syndrome.

Question 14

Which statement about the X chromosome is correct?

Accepted Answer

A)  The X chromosome carries only the recessive genes in males. 
B)  X and Y are different in size but carry nearly equal numbers of genes. 
C)  X chromosome inactivation only occurs in females. 
D)  The X chromosome carries only gender-related genes. 
E)  The X chromosome carries the SRY gene. 
A)  The X chromosome carries only the recessive genes in males. 
B)  X and Y are different in size but carry nearly equal numbers of genes. 
C)  X chromosome inactivation only occurs in females. 
D)  The X chromosome carries only gender-related genes. 
E)  The X chromosome carries the SRY gene.

Question 15

Answer the following questions in reference to the five items listed below.
-How many chromosomes does each somatic cell have in a human male who has two X chromosomes?

Accepted Answer

A) 12 
B) 23 
C) 24 
D) 46 
E) 47 
A) 12 
B) 23 
C) 24 
D) 46 
E) 47

Question 16

Answer the following questions in reference to the five items listed below.
-Following a gene duplication event involving only five loci,how many chromosomes will a human female have?

Accepted Answer

A) 12 
B) 23 
C) 24 
D) 46 
E) 47 
A) 12 
B) 23 
C) 24 
D) 46 
E) 47

Question 17

A prenatal diagnosis procedure that can be performed earlier than amniocentesis involves sampling the _____.

Accepted Answer

A)  yolk sac material 
B)  allantois 
C)  chorion 
D)  yolk sac 
E)  umbilical cord 
A)  yolk sac material 
B)  allantois 
C)  chorion 
D)  yolk sac 
E)  umbilical cord

Question 18

What do geneticists use along with historical records to track traits through many generations of a family?

Accepted Answer

A)  Epidemiology 
B)  Punnett square 
C)  DNA polymorphisms 
D)  Mitochondrial analysis 
E)  Pedigree 
A)  Epidemiology 
B)  Punnett square 
C)  DNA polymorphisms 
D)  Mitochondrial analysis 
E)  Pedigree

Question 19

A chromosome's gene sequence that was ABCDEFG before damage and ABFEDCG after is an example of

Accepted Answer

A)  inversion. 
B)  deletion. 
C)  duplication. 
D)  translocation. 
E)  aneuploidy. 
A)  inversion. 
B)  deletion. 
C)  duplication. 
D)  translocation. 
E)  aneuploidy.

Question 20

Choose the most appropriate answer for each.
-translocation

Accepted Answer

A) 3n; generally sterile 
B) a chromosome segment is permanently transferred to a nonhomologous chromosome 
C) (2n - 1); a zygote deprived of a chromosome 
D) a repeat of a particular DNA sequence in the same chromosome or in nonhomologous ones 
E) (2n + 1); three chromosomes of the same kind are present in a set of chromosomes
F)a piece of the chromosome is inadvertently left out during the repair process
G)a chromosome segment that has been cut out and rejoined at the same place, but backward 
A) 3n; generally sterile 
B) a chromosome segment is permanently transferred to a nonhomologous chromosome 
C) (2n - 1); a zygote deprived of a chromosome 
D) a repeat of a particular DNA sequence in the same chromosome or in nonhomologous ones 
E) (2n + 1); three chromosomes of the same kind are present in a set of chromosomes
F)a piece of the chromosome is inadvertently left out during the repair process
G)a chromosome segment that has been cut out and rejoined at the same place, but backward

Exam 14: Chromosomes and Human Inheritance

Choose the most appropriate answer for each. -inversion

A chromosome's gene sequence that was ABCDEFG before modification and ABCDCDEFG afterward is an example of

Figure 14.3 -Which of the following is the genetic condition observed in the woman on the left in the above figure?

Rarely,a chromosome's structure becomes altered when part of it undergoes duplication,deletion,insertion,__________,or __________.

What is the sex chromosome composition of a person with Turner syndrome?

Select the disorder that best matches each the following statements. -This disorder is an autosomal recessive disorder that results in the body's inability to break down lipids.

Match the cause with the disorder. -albinism

Excerpt from Figure 14.8 -The accompanying figure represents which chromosomal change?

In humans,which genetic mechanism led to the formation of the X and Y chromosomes?

If a daughter expresses an X-linked recessive trait,she inherited the trait from ____.

Symptoms of phenylketonuria (PKU)may be minimized or suppressed by a diet low in

Which nondisjunction disorder must be due to an event in sperm development?

Males that tend to be taller than average and show mild mental impairment may have

Which statement about the X chromosome is correct?

Answer the following questions in reference to the five items listed below. -How many chromosomes does each somatic cell have in a human male who has two X chromosomes?

Answer the following questions in reference to the five items listed below. -Following a gene duplication event involving only five loci,how many chromosomes will a human female have?

A prenatal diagnosis procedure that can be performed earlier than amniocentesis involves sampling the _____.

What do geneticists use along with historical records to track traits through many generations of a family?

A chromosome's gene sequence that was ABCDEFG before damage and ABFEDCG after is an example of

Choose the most appropriate answer for each. -translocation

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

Rarely,a chromosome's structure becomes altered when part of it undergoes duplication,deletion,insertion,,or .