Question 1

Alcohol dehydrogenase converts alcohol into _____________________.

Accepted Answer

The answer of Alcohol dehydrogenase converts alcohol into _____________________....

Question 2

How are twins used in research behavioral traits?

Accepted Answer

Twins, particularly identical (monozygot

Question 3

The so-called language gene is a transcription factor called _____________.

Accepted Answer

The answer of The so-called language gene is a transcription...

Question 4

Schizophrenia has been shown to be a single gene disorder.

Accepted Answer

A) True 
 B)False

Question 5

Many human behavioral traits

Accepted Answer

A)  show genetic heterogeneity with the same phenotype resulting from different genes. 
B)  are due to dominant genes. 
C)  are a result of mutations in structural genes. 
D)  show genetic heterogeneity with the same phenotype resulting from different genes and are due to dominant genes. 
E)  none of these. 
A)  show genetic heterogeneity with the same phenotype resulting from different genes. 
B)  are due to dominant genes. 
C)  are a result of mutations in structural genes. 
D)  show genetic heterogeneity with the same phenotype resulting from different genes and are due to dominant genes. 
E)  none of these.

Question 6

MAOA is an enzyme that breaks down ______________.

Accepted Answer

The answer of MAOA is an enzyme that breaks down...

Question 7

MZ twin concordance values are less than 100 percent in both bipolar disorder and schizophrenia. This suggests that these disorders are ______________.

Accepted Answer

A)  strictly polygenic 
B)  multifactorial 
C)  X-linked 
D)  genetically dominant 
E)  not genetically based 
A)  strictly polygenic 
B)  multifactorial 
C)  X-linked 
D)  genetically dominant 
E)  not genetically based

Question 8

The FOXP2 gene encodes a protein involved in aggressive behavior.

Accepted Answer

A) True 
 B)False

Question 9

Genome screening with molecular markers is a useful model for studying the genetics of homosexuality.

Accepted Answer

A) True 
 B)False

Question 10

The normal form of huntingtin protein enhances the production of another protein, _________________.

Accepted Answer

The answer of The normal form of huntingtin protein enhances...

Question 11

Since sons adopted by alcoholic men show a rate of alcoholism more like that of their biological father, there is an argument for the role of genetic factors in this disease.

Accepted Answer

A) True 
 B)False

Question 12

The genes that influence alcoholism are ______________.

Accepted Answer

A)  alcohol dehydrogenase genes 
B)  aldehyde dehydrogenase genes 
C)  MAOA genes 
D)  a combination of two of these genes 
E)  unknown. 
A)  alcohol dehydrogenase genes 
B)  aldehyde dehydrogenase genes 
C)  MAOA genes 
D)  a combination of two of these genes 
E)  unknown.

Question 13

Emphasis is now being placed on the relationship between abnormalities in neurotransmitters and altered social behavior. Does it seem likely that metabolic differences can alter only behavior, and not produce effects on other systems such as muscle movement and coordination? How do you reconcile such apparent contradictions?

Accepted Answer

It does not seem likely that metabolic d

Question 14

Most single gene defects that affect human behavior do so

Accepted Answer

A)  as a primary effect of the gene. 
B)  through their action on the structure, development, or function of the nervous system. 
C)  by affecting muscle metabolism. 
D)  by having only subtle effects on the nervous system. 
E)  by gene action that takes place only in the adult stage of life. 
A)  as a primary effect of the gene. 
B)  through their action on the structure, development, or function of the nervous system. 
C)  by affecting muscle metabolism. 
D)  by having only subtle effects on the nervous system. 
E)  by gene action that takes place only in the adult stage of life.

Question 15

It is difficult to decide whether many behaviors should be considered abnormal behaviors or just variants.

Accepted Answer

A) True 
 B)False

Question 16

What transgenic animal, other than mice, has been used to model human neurodegenerative diseases?

Accepted Answer

A)  monkeys 
B)  Drosophila 
C)  rats 
D)  roundworms 
E)  frogs 
A)  monkeys 
B)  Drosophila 
C)  rats 
D)  roundworms 
E)  frogs

Question 17

Several types of evidence have linked bipolar disorder to genes. Which one of the following is NOT one of these types of evidence?

Accepted Answer

A)  Biochemical studies 
B)  Twin studies 
C)  Adoption studies 
D)  Association studies 
E)  Studies involving degrees of relatedness 
A)  Biochemical studies 
B)  Twin studies 
C)  Adoption studies 
D)  Association studies 
E)  Studies involving degrees of relatedness

Question 18

Sexual orientation (heterosexual, homosexual, or bisexual) may be a multifactorial trait involving several genes and unidentified environmental components. Read the paper by Hamer, et al., (1993 Science 261: 321-327) on male sexual orientation and outline the steps taken in constructing this study. Do you think these steps biased the outcome in any way? Why or why not?

Accepted Answer

The study by Hamer et al. (1993) on male

Question 19

What is the underlying molecular cause of Huntington disease?

Accepted Answer

A)  The binding of a normal protein to a mutant protein making it cytotoxic. 
B)  Two mutant proteins in combination produce a toxic precipitate. 
C)  Normal proteins fold the wrong way, creating plaques that are cytotoxic. 
D)  mRNA molecules are degraded before they can be properly translated. 
E)  tRNA molecules fail to bind strongly enough with their associated amino acids. 
A)  The binding of a normal protein to a mutant protein making it cytotoxic. 
B)  Two mutant proteins in combination produce a toxic precipitate. 
C)  Normal proteins fold the wrong way, creating plaques that are cytotoxic. 
D)  mRNA molecules are degraded before they can be properly translated. 
E)  tRNA molecules fail to bind strongly enough with their associated amino acids.

Question 20

The gene associated with aggressive behavior identified in 1993 is to be linked to an enzyme called ____________________.

Accepted Answer

monoamine

Alcohol dehydrogenase converts alcohol into _____________________.

How are twins used in research behavioral traits?

The so-called language gene is a transcription factor called _____________.

Schizophrenia has been shown to be a single gene disorder.

Many human behavioral traits

MAOA is an enzyme that breaks down ______________.

MZ twin concordance values are less than 100 percent in both bipolar disorder and schizophrenia. This suggests that these disorders are ______________.

The FOXP2 gene encodes a protein involved in aggressive behavior.

Genome screening with molecular markers is a useful model for studying the genetics of homosexuality.

The normal form of huntingtin protein enhances the production of another protein, _________________.

Since sons adopted by alcoholic men show a rate of alcoholism more like that of their biological father, there is an argument for the role of genetic factors in this disease.

The genes that influence alcoholism are ______________.

Most single gene defects that affect human behavior do so

It is difficult to decide whether many behaviors should be considered abnormal behaviors or just variants.

What transgenic animal, other than mice, has been used to model human neurodegenerative diseases?

Several types of evidence have linked bipolar disorder to genes. Which one of the following is NOT one of these types of evidence?

What is the underlying molecular cause of Huntington disease?

The gene associated with aggressive behavior identified in 1993 is to be linked to an enzyme called ____________________.

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes From Generation to Generation

Pedigree Analysis in Human Genetics

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

Population Genetics and Human Evolution

Filters

Exam 18: Genetics of Behavior

Alcohol dehydrogenase converts alcohol into _____________________.

How are twins used in research behavioral traits?

The so-called language gene is a transcription factor called _____________.

Schizophrenia has been shown to be a single gene disorder.

Many human behavioral traits

MAOA is an enzyme that breaks down ______________.

MZ twin concordance values are less than 100 percent in both bipolar disorder and schizophrenia. This suggests that these disorders are ______________.

The FOXP2 gene encodes a protein involved in aggressive behavior.

Genome screening with molecular markers is a useful model for studying the genetics of homosexuality.

The normal form of huntingtin protein enhances the production of another protein, _________________.

Since sons adopted by alcoholic men show a rate of alcoholism more like that of their biological father, there is an argument for the role of genetic factors in this disease.

The genes that influence alcoholism are ______________.

Most single gene defects that affect human behavior do so

It is difficult to decide whether many behaviors should be considered abnormal behaviors or just variants.

What transgenic animal, other than mice, has been used to model human neurodegenerative diseases?

Several types of evidence have linked bipolar disorder to genes. Which one of the following is NOT one of these types of evidence?

What is the underlying molecular cause of Huntington disease?

The gene associated with aggressive behavior identified in 1993 is to be linked to an enzyme called ____________________.

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes From Generation to Generation

Pedigree Analysis in Human Genetics

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

Population Genetics and Human Evolution

Filters