Question 1

A human sperm cell receives autosomes and

Accepted Answer

A)  an X chromosome always. 
B)  either an X or a Y chromosome. 
C)  a Y chromosome always. 
D)  both an X and a Y chromosome. 
A)  an X chromosome always. 
B)  either an X or a Y chromosome. 
C)  a Y chromosome always. 
D)  both an X and a Y chromosome.

Question 2

-England's Prince Philip was found to have DNA sequences that matched ________.

Accepted Answer

A)  both the tsar and the tsarina 
B)  the tsar but not the tsarina 
C)  the tsarina but not the tsar 
D)  neither the tsar nor the tsarina 
A)  both the tsar and the tsarina 
B)  the tsar but not the tsarina 
C)  the tsarina but not the tsar 
D)  neither the tsar nor the tsarina

Question 3

Multiple ________ occurs in the ABO blood system, where there are three distinct alleles in human populations.

Accepted Answer

The answer of Multiple ________ occurs in the ABO blood...

Question 4

On a pedigree chart, a son who is affected by a genetic disorder would be represented by which symbol?

Accepted Answer

A)  a shaded circle 
B)  a clear circle 
C)  a shaded square 
D)  a clear square 
A)  a shaded circle 
B)  a clear circle 
C)  a shaded square 
D)  a clear square

Question 5

A DNA fingerprint of a suspect doesn't match a DNA fingerprint from a blood sample taken at a crime scene. What can you conclude?

Accepted Answer

A)  The suspect was never at the crime scene. 
B)  The blood sample was probably degraded or destroyed in some way. 
C)  There is no DNA in a blood sample. 
D)  The blood came from a different person, but the suspect may have been there. 
A)  The suspect was never at the crime scene. 
B)  The blood sample was probably degraded or destroyed in some way. 
C)  There is no DNA in a blood sample. 
D)  The blood came from a different person, but the suspect may have been there.

Question 6

Humans possess

Accepted Answer

A)  2 pairs of sex chromosomes and 46 pairs of autosomes. 
B)  2 pairs of sex chromosomes and 22 pairs of autosomes. 
C)  1 pair of sex chromosomes and 46 pairs of autosomes. 
D)  1 pair of sex chromosomes and 22 pairs of autosomes. 
A)  2 pairs of sex chromosomes and 46 pairs of autosomes. 
B)  2 pairs of sex chromosomes and 22 pairs of autosomes. 
C)  1 pair of sex chromosomes and 46 pairs of autosomes. 
D)  1 pair of sex chromosomes and 22 pairs of autosomes.

Question 7

What is the function of Taq polymerase?

Accepted Answer

A)  to denature DNA so its strands separate 
B)  to bond to complementary DNA 
C)  to free nucleotides from a DNA strand 
D)  to use primers to initiate DNA synthesis 
A)  to denature DNA so its strands separate 
B)  to bond to complementary DNA 
C)  to free nucleotides from a DNA strand 
D)  to use primers to initiate DNA synthesis

Question 8

Different persons have different DNA fingerprints because

Accepted Answer

A)  they have completely different kinds of VNTRs. 
B)  they have different numbers of the same VNTR. 
C)  PCR generates some sequences more than other sequences. 
D)  restriction enzymes may not cut some VNTRs if adjacent to different DNA sequences. 
A)  they have completely different kinds of VNTRs. 
B)  they have different numbers of the same VNTR. 
C)  PCR generates some sequences more than other sequences. 
D)  restriction enzymes may not cut some VNTRs if adjacent to different DNA sequences.

Question 9

A person with hemophilia lacks the pleiotropic gene that codes for the protein called clotting factor VIII. This means that he or she will

Accepted Answer

A)  have only the symptom of lack of blood clotting (bleeding). 
B)  always have the same symptoms as other hemophiliacs. 
C)  have many other symptoms in addition to excessive bleeding. 
D)  always have neurological problems. 
A)  have only the symptom of lack of blood clotting (bleeding). 
B)  always have the same symptoms as other hemophiliacs. 
C)  have many other symptoms in addition to excessive bleeding. 
D)  always have neurological problems.

Question 10

-What are the chances that a hemophiliac male and an unaffected female could have a baby that is a hemophiliac male?

Accepted Answer

A)  0% 
B)  25% 
C)  50% 
D)  75% 
A)  0% 
B)  25% 
C)  50% 
D)  75%

Question 11

The ability of a gene to cause multiple effects on a phenotype is called

Accepted Answer

A)  pleiotropy. 
B)  codominance. 
C)  polygenic inheritance. 
D)  continuous variation. 
A)  pleiotropy. 
B)  codominance. 
C)  polygenic inheritance. 
D)  continuous variation.

A human sperm cell receives autosomes and

-England's Prince Philip was found to have DNA sequences that matched ________.

Multiple ________ occurs in the ABO blood system, where there are three distinct alleles in human populations.

On a pedigree chart, a son who is affected by a genetic disorder would be represented by which symbol?

A DNA fingerprint of a suspect doesn't match a DNA fingerprint from a blood sample taken at a crime scene. What can you conclude?

Humans possess

What is the function of Taq polymerase?

Different persons have different DNA fingerprints because

A person with hemophilia lacks the pleiotropic gene that codes for the protein called clotting factor VIII. This means that he or she will

-What are the chances that a hemophiliac male and an unaffected female could have a baby that is a hemophiliac male?

The ability of a gene to cause multiple effects on a phenotype is called

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Exam 8: DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

A human sperm cell receives autosomes and

-England's Prince Philip was found to have DNA sequences that matched ________.

Multiple ________ occurs in the ABO blood system, where there are three distinct alleles in human populations.

On a pedigree chart, a son who is affected by a genetic disorder would be represented by which symbol?

A DNA fingerprint of a suspect doesn't match a DNA fingerprint from a blood sample taken at a crime scene. What can you conclude?

Humans possess

What is the function of Taq polymerase?

Different persons have different DNA fingerprints because

A person with hemophilia lacks the pleiotropic gene that codes for the protein called clotting factor VIII. This means that he or she will

-What are the chances that a hemophiliac male and an unaffected female could have a baby that is a hemophiliac male?

The ability of a gene to cause multiple effects on a phenotype is called

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Is It Possible to Supplement Your Way to Better Health?

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

Filters