Question 1

Which organism was studied by Herman Nilsson-Ehle,in his analysis of multiple genetic contributions to trait variability?

Accepted Answer

A)  Broad bean 
B)  Wheat grains 
C)  E. coli 
D)  Garden peas 
E)  Drosophila f) Tobacco 
A)  Broad bean 
B)  Wheat grains 
C)  E. coli 
D)  Garden peas 
E)  Drosophila f) Tobacco

Question 2

Which of the following is the formula for variance?

Accepted Answer

A)    
B)    
C)    
D)   
E)  None of these 
A)    
B)    
C)    
D)   
E)  None of these

Question 3

Similarity with respect to a threshold trait is assessed by determining the

Accepted Answer

A)  liability rate. 
B)  threshold rate. 
C)  concordance rate. 
D)  zygomatic rate. 
E)  standard deviation. 
A)  liability rate. 
B)  threshold rate. 
C)  concordance rate. 
D)  zygomatic rate. 
E)  standard deviation.

Question 4

A statistic that gives the "center" or average of a distribution is known as the

Accepted Answer

A)  mean. 
B)  mode. 
C)  deviation. 
D)  frequency. 
E)  X2 value. 
A)  mean. 
B)  mode. 
C)  deviation. 
D)  frequency. 
E)  X2 value.

Question 5

In a quantitative genetic analysis of personality traits among monozygotic twins,it was found that:
1)Genetic differences play a small role in determining personality traits.
2)Genetic differences play a significant role in determining personality traits.
3)The broad-sense heritability is reasonably high in the 0.34-0.5 range.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  1 and 2 
E)  2 and 3 
A)  1 
B)  2 
C)  3 
D)  1 and 2 
E)  2 and 3

Question 6

Which of the following statistics is useful for describing quantitative traits?

Accepted Answer

A)  Correlation coefficient 
B)  Frequency distribution 
C)  Mode of the frequency distribution 
D)  Mean 
E)  All of these 
A)  Correlation coefficient 
B)  Frequency distribution 
C)  Mode of the frequency distribution 
D)  Mean 
E)  All of these

Question 7

The correlation between dizygotic twins reared apart provides a maximum estimate of

Accepted Answer

A)  narrow sense heritability. 
B)  narrow sense correlation. 
C)  broad sense heritability. 
D)  broad sense correlation. 
E)  None of these 
A)  narrow sense heritability. 
B)  narrow sense correlation. 
C)  broad sense heritability. 
D)  broad sense correlation. 
E)  None of these

Question 8

The proportion of the total phenotypic variance that is due to genetic differences among individuals in a population is known as

Accepted Answer

A)  narrow sense heritability. 
B)  broad sense heritability. 
C)  heritability. 
D)  broad sense inheritance. 
E)  narrow sense inheritance. 
A)  narrow sense heritability. 
B)  broad sense heritability. 
C)  heritability. 
D)  broad sense inheritance. 
E)  narrow sense inheritance.

Question 9

Which of the following is not a component of broad sense heritability?

Accepted Answer

A)  Additive effects of alleles 
B)  Dominance interactions among alleles 
C)  Environmental effects 
D)  Epistatic relationships among alleles 
E)  All of these 
A)  Additive effects of alleles 
B)  Dominance interactions among alleles 
C)  Environmental effects 
D)  Epistatic relationships among alleles 
E)  All of these

Question 10

A trait that appears when the liability exceeds a certain level is known as a(n)

Accepted Answer

A)  liability trait. 
B)  quantitative trait. 
C)  threshold trait. 
D)  qualitative trait. 
E)  phenotypic trait. 
A)  liability trait. 
B)  quantitative trait. 
C)  threshold trait. 
D)  qualitative trait. 
E)  phenotypic trait.

Which organism was studied by Herman Nilsson-Ehle,in his analysis of multiple genetic contributions to trait variability?

Which of the following is the formula for variance?

Similarity with respect to a threshold trait is assessed by determining the

A statistic that gives the "center" or average of a distribution is known as the

Which of the following statistics is useful for describing quantitative traits?

The correlation between dizygotic twins reared apart provides a maximum estimate of

The proportion of the total phenotypic variance that is due to genetic differences among individuals in a population is known as

Which of the following is not a component of broad sense heritability?

A trait that appears when the liability exceeds a certain level is known as a(n)

The Science Of Genetics

Cellular Reproduction

Mendelism The Basic Principles Of Inheritance

Extensions Of Mendelism

The Chromosomal Basis Of Mendelism

Variation In Chromosome Number And Structure

Linkage,Crossing Over,And Chromosome Mapping In …

The Genetics Of Bacteria And Their Viruses

DNA And The Molecular Structure Of Chromosomes

Replication Of DNA And Chromosomes

Transcription And RNA Processing

Translation And The Genetic Code

Mutation,DNA Repair,And Recombination

The Techniques Of Molecular Genetics

Genomics

Applications Of Molecular Genetics

Transposable Genetics Elements

Regulation Of Gene Expression In Prokaryotes

Regulation Of Gene Expression In Eukaryotes

The Genetic Control Of Animal Development

The Genetic Basis Of Cancer

Population Genetics

Evolutionary Genetics

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Exam 22: Inheritance Of Complex Traits

Which organism was studied by Herman Nilsson-Ehle,in his analysis of multiple genetic contributions to trait variability?

Which of the following is the formula for variance?

Similarity with respect to a threshold trait is assessed by determining the

A statistic that gives the "center" or average of a distribution is known as the

Which of the following statistics is useful for describing quantitative traits?

The correlation between dizygotic twins reared apart provides a maximum estimate of

The proportion of the total phenotypic variance that is due to genetic differences among individuals in a population is known as

Which of the following is not a component of broad sense heritability?

A trait that appears when the liability exceeds a certain level is known as a(n)

The Science Of Genetics

Cellular Reproduction

Mendelism The Basic Principles Of Inheritance

Extensions Of Mendelism

The Chromosomal Basis Of Mendelism

Variation In Chromosome Number And Structure

Linkage,Crossing Over,And Chromosome Mapping In …

The Genetics Of Bacteria And Their Viruses

DNA And The Molecular Structure Of Chromosomes

Replication Of DNA And Chromosomes

Transcription And RNA Processing

Translation And The Genetic Code

Mutation,DNA Repair,And Recombination

The Techniques Of Molecular Genetics

Genomics

Applications Of Molecular Genetics

Transposable Genetics Elements

Regulation Of Gene Expression In Prokaryotes

Regulation Of Gene Expression In Eukaryotes

The Genetic Control Of Animal Development

The Genetic Basis Of Cancer

Population Genetics

Evolutionary Genetics

Filters