Question 1

Huntington disease is an example of a genetic condition that is inherited in a dominant fashion.

Accepted Answer

A) True 
 B)False

Question 2

How can we use the Hardy-Weinberg equation?

Accepted Answer

A)  The equation is useful for the analysis of multifactorial traits. 
B)  It is a test that can tell the difference between carriers of mutant alleles and those who do not have the allele at all. 
C)  The Hardy-Weinberg can be used to calculate how many identical twins there are in a population. 
D)  The Hardy-Weinberg equation can be used to estimate the carrier frequencies in populations. 
E)  It gives a clue to the function of a gene. 
A)  The equation is useful for the analysis of multifactorial traits. 
B)  It is a test that can tell the difference between carriers of mutant alleles and those who do not have the allele at all. 
C)  The Hardy-Weinberg can be used to calculate how many identical twins there are in a population. 
D)  The Hardy-Weinberg equation can be used to estimate the carrier frequencies in populations. 
E)  It gives a clue to the function of a gene.

Question 3

MATCHING
Match the associated terms.
-Dog breeds

Accepted Answer

A) Used to estimate carrier frequency 
B) Lung health problems 
C) Percentage of heterozygotes 
D) Often provides resistance to some infectious disease 
E) Triplet repeats
F)Transmitted by mosquitoes
G)Red blood cells are altered
H)Artificial selection
I)Disclosure of evidence 
A) Used to estimate carrier frequency 
B) Lung health problems 
C) Percentage of heterozygotes 
D) Often provides resistance to some infectious disease 
E) Triplet repeats
F)Transmitted by mosquitoes
G)Red blood cells are altered
H)Artificial selection
I)Disclosure of evidence

Question 4

Which of the following statements about Huntington disease (HD)is true ?

Accepted Answer

A)  The disease is caused by a high number of repeated DNA triplets. 
B)  The gene responsible for the disease has not been located yet. 
C)  As the number of repeated triplets decreases, the severity of the symptoms increases. 
D)  People living around Lake Maracaibo in Venezuela show a very low frequency of HD. 
E)  Normal copies of the HD gene only have one copy of the DNA triplet. 
A)  The disease is caused by a high number of repeated DNA triplets. 
B)  The gene responsible for the disease has not been located yet. 
C)  As the number of repeated triplets decreases, the severity of the symptoms increases. 
D)  People living around Lake Maracaibo in Venezuela show a very low frequency of HD. 
E)  Normal copies of the HD gene only have one copy of the DNA triplet.

Question 5

Cystic fibrosis affects all of the following EXCEPT

Accepted Answer

A)  the glands that produce mucus. 
B)  the glands producing digestive enzymes. 
C)  lung health. 
D)  sweat glands. 
E)  cholesterol levels. 
A)  the glands that produce mucus. 
B)  the glands producing digestive enzymes. 
C)  lung health. 
D)  sweat glands. 
E)  cholesterol levels.

Question 6

Some genetic diseases occur at much higher frequencies in particular populations,especially populations that are geographically isolated.Why does this happen? What is the advantage to studying these isolated groups?

Accepted Answer

In many small,isolated communities,peopl

Question 7

What are the ethical concerns for collecting genetic information on an entire population? Should everyone be required to submit a sample,or should it be more selective?

Accepted Answer

Answers will vary but should include a d

Question 8

The frequency of a trait may vary from population to population.

Accepted Answer

A) True 
 B)False

Question 9

The discovery rule includes

Accepted Answer

A)  genetic testing evidence that must be disclosed to the defendant. 
B)  close matches in the CODIS DNA database. 
C)  DNA test results of the prosecuting attorneys. 
D)  DNA evidence that is only circumstantial. 
E)  the discovery of DNA evidence from past crimes. 
A)  genetic testing evidence that must be disclosed to the defendant. 
B)  close matches in the CODIS DNA database. 
C)  DNA test results of the prosecuting attorneys. 
D)  DNA evidence that is only circumstantial. 
E)  the discovery of DNA evidence from past crimes.

Question 10

All of the following are examples of autosomal recessive disorders EXCEPT

Accepted Answer

A)  Huntington disease. 
B)  sickle cell anemia. 
C)  cystic fibrosis. 
D)  PKU. 
E)  Tay-Sachs. 
A)  Huntington disease. 
B)  sickle cell anemia. 
C)  cystic fibrosis. 
D)  PKU. 
E)  Tay-Sachs.

Question 11

Which of the following persons is virtually certain to develop Huntington disease (HD)?

Accepted Answer

A)  a person who has 27-35 copies of the repeated sequence 
B)  a person who has 36-40 copies of the repeated sequence 
C)  a person who has over 40 copies of the repeated sequence 
D)  a person who has 10-26 copies of the HD gene 
E)  someone exposed to the infectious bacteria causing Huntington disease 
A)  a person who has 27-35 copies of the repeated sequence 
B)  a person who has 36-40 copies of the repeated sequence 
C)  a person who has over 40 copies of the repeated sequence 
D)  a person who has 10-26 copies of the HD gene 
E)  someone exposed to the infectious bacteria causing Huntington disease

Question 12

How did the frequency of Huntington disease (HD)in the population that Nancy Wexler studied compare to the frequency in the general population?

Accepted Answer

A)  The frequency of the studied population was lower than the frequency of the general population. 
B)  The frequency of the studied population was higher than the frequency of the general population. 
C)  All of the people in the studied population had HD. 
D)  The frequencies of the studied population and the general population were about the same. 
E)  None of the people in the studied population had HD. 
A)  The frequency of the studied population was lower than the frequency of the general population. 
B)  The frequency of the studied population was higher than the frequency of the general population. 
C)  All of the people in the studied population had HD. 
D)  The frequencies of the studied population and the general population were about the same. 
E)  None of the people in the studied population had HD.

Question 13

Huntington disease is caused by an expanding triplet repeat within the HD gene.

Accepted Answer

A) True 
 B)False

Question 14

The Y chromosome is passed from

Accepted Answer

A)  mothers to all of her sons. 
B)  fathers to all of his daughters. 
C)  fathers to all of his sons. 
D)  mothers to all of her daughters. 
E)  fathers to all of his children. 
A)  mothers to all of her sons. 
B)  fathers to all of his daughters. 
C)  fathers to all of his sons. 
D)  mothers to all of her daughters. 
E)  fathers to all of his children.

Question 15

Which of the following is true about Huntington disease (HD)?

Accepted Answer

A)  HD is caused by an increase in the number of copies of a repeated DNA sequence. 
B)  HD is caused by a decrease in the number of copies of a repeated DNA sequence. 
C)  HD is inherited in a recessive manner. 
D)  HD affects only males. 
E)  The HD gene does not cause disease when the number of repeats is 40 or more. 
A)  HD is caused by an increase in the number of copies of a repeated DNA sequence. 
B)  HD is caused by a decrease in the number of copies of a repeated DNA sequence. 
C)  HD is inherited in a recessive manner. 
D)  HD affects only males. 
E)  The HD gene does not cause disease when the number of repeats is 40 or more.

Question 16

Nancy Wexler was awarded a Lasker award for her work on

Accepted Answer

A)  Tay-Sachs. 
B)  sickle cell anemia. 
C)  malaria. 
D)  Huntington disease. 
E)  breast cancer. 
A)  Tay-Sachs. 
B)  sickle cell anemia. 
C)  malaria. 
D)  Huntington disease. 
E)  breast cancer.

Question 17

Pedigrees can be helpful in tracking a condition through a large population.

Accepted Answer

A) True 
 B)False

Question 18

Certain populations have a much higher frequency of carriers of recessive traits than others.These populations have a higher

Accepted Answer

A)  carrier frequency. 
B)  Wexler effect. 
C)  founder effect. 
D)  genetic drift. 
E)  artificial selection. 
A)  carrier frequency. 
B)  Wexler effect. 
C)  founder effect. 
D)  genetic drift. 
E)  artificial selection.

Question 19

The founder effect refers to

Accepted Answer

A)  a population that frequently migrates to other parts of the world. 
B)  a newly discovered population of organism. 
C)  a group whose genetic origins can be traced to a small number of people. 
D)  a group whose genetic origins can be traced to a large number of people. 
E)  a group whose individuals are often marrying outside of the group. 
A)  a population that frequently migrates to other parts of the world. 
B)  a newly discovered population of organism. 
C)  a group whose genetic origins can be traced to a small number of people. 
D)  a group whose genetic origins can be traced to a large number of people. 
E)  a group whose individuals are often marrying outside of the group.

Question 20

MATCHING
Match the associated terms.
-Huntington disease

Accepted Answer

A) Used to estimate carrier frequency 
B) Lung health problems 
C) Percentage of heterozygotes 
D) Often provides resistance to some infectious disease 
E) Triplet repeats
F)Transmitted by mosquitoes
G)Red blood cells are altered
H)Artificial selection
I)Disclosure of evidence 
A) Used to estimate carrier frequency 
B) Lung health problems 
C) Percentage of heterozygotes 
D) Often provides resistance to some infectious disease 
E) Triplet repeats
F)Transmitted by mosquitoes
G)Red blood cells are altered
H)Artificial selection
I)Disclosure of evidence

Huntington disease is an example of a genetic condition that is inherited in a dominant fashion.

How can we use the Hardy-Weinberg equation?

MATCHING Match the associated terms. -Dog breeds

Which of the following statements about Huntington disease (HD)is true ?

Cystic fibrosis affects all of the following EXCEPT

Some genetic diseases occur at much higher frequencies in particular populations,especially populations that are geographically isolated.Why does this happen? What is the advantage to studying these isolated groups?

What are the ethical concerns for collecting genetic information on an entire population? Should everyone be required to submit a sample,or should it be more selective?

The frequency of a trait may vary from population to population.

The discovery rule includes

All of the following are examples of autosomal recessive disorders EXCEPT

Which of the following persons is virtually certain to develop Huntington disease (HD)?

How did the frequency of Huntington disease (HD)in the population that Nancy Wexler studied compare to the frequency in the general population?

Huntington disease is caused by an expanding triplet repeat within the HD gene.

The Y chromosome is passed from

Which of the following is true about Huntington disease (HD)?

Nancy Wexler was awarded a Lasker award for her work on

Pedigrees can be helpful in tracking a condition through a large population.

Certain populations have a much higher frequency of carriers of recessive traits than others.These populations have a higher

The founder effect refers to

MATCHING Match the associated terms. -Huntington disease

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

How Genes Are Transmitted From Generation to Generation

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

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

Exam 15: Genetics and Populations

Huntington disease is an example of a genetic condition that is inherited in a dominant fashion.

How can we use the Hardy-Weinberg equation?

MATCHING Match the associated terms. -Dog breeds

Which of the following statements about Huntington disease (HD)is true ?

Cystic fibrosis affects all of the following EXCEPT

Some genetic diseases occur at much higher frequencies in particular populations,especially populations that are geographically isolated.Why does this happen? What is the advantage to studying these isolated groups?

What are the ethical concerns for collecting genetic information on an entire population? Should everyone be required to submit a sample,or should it be more selective?

The frequency of a trait may vary from population to population.

The discovery rule includes

All of the following are examples of autosomal recessive disorders EXCEPT

Which of the following persons is virtually certain to develop Huntington disease (HD)?

How did the frequency of Huntington disease (HD)in the population that Nancy Wexler studied compare to the frequency in the general population?

Huntington disease is caused by an expanding triplet repeat within the HD gene.

The Y chromosome is passed from

Which of the following is true about Huntington disease (HD)?

Nancy Wexler was awarded a Lasker award for her work on

Pedigrees can be helpful in tracking a condition through a large population.

Certain populations have a much higher frequency of carriers of recessive traits than others.These populations have a higher

The founder effect refers to

MATCHING Match the associated terms. -Huntington disease

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

How Genes Are Transmitted From Generation to Generation

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

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