Question 1

A recessive trait is one that is:

Accepted Answer

A)  Masked by a dominant trait, if a dominant trait is present in the genotype 
B)  Not masked by any other trait present in the genotype 
C)  Masked by another recessive trait, if another recessive trait is present in the genotype 
D)  All of these 
E)  None of these 
A)  Masked by a dominant trait, if a dominant trait is present in the genotype 
B)  Not masked by any other trait present in the genotype 
C)  Masked by another recessive trait, if another recessive trait is present in the genotype 
D)  All of these 
E)  None of these

Question 2

You perform a dihybrid cross between two plants that have traits expressing a simple dominance relationship.Then,you self the F? generation and analyze the progeny.How many degrees of freedom do you have for your chi-square test?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 3

The principle of independent assortment states that:

Accepted Answer

A)  The alleles of different genes segregate independently of each other 
B)  The alleles of different genes segregate dependent upon each other 
C)  The alleles of the same genes do not segregate independently of each other 
D)  None of these 
E)  All of these 
A)  The alleles of different genes segregate independently of each other 
B)  The alleles of different genes segregate dependent upon each other 
C)  The alleles of the same genes do not segregate independently of each other 
D)  None of these 
E)  All of these

Question 4

In a cross of tall tomato plants (T)and dwarf tomato plants (t),the F2 generation consisted of 102 tall and 44 dwarf plants.Does this F2 data fit a ratio of 3:1?

Accepted Answer

Yes,the Chi-Square value shows that the

Question 5

A diagram that is used to show the relationships between family members and is used to track genetic traits is known as a(n):

Accepted Answer

A)  Punnett Square 
B)  Pedigree 
C)  Forked-Line 
D)  Family Tree 
E)  Probability Diagram 
A)  Punnett Square 
B)  Pedigree 
C)  Forked-Line 
D)  Family Tree 
E)  Probability Diagram

Question 6

In a trihybrid cross,the expected proportion of offspring showing all three recessive traits is

Accepted Answer

A)  1/16 
B)  1/64 
C)  27/64 
D)  9/16 
E)  9/64 
A)  1/16 
B)  1/64 
C)  27/64 
D)  9/16 
E)  9/64

Question 7

In a monohybrid cross,if the P generation consists of plants that are true breeding (one is homozygous dominant,the other homozygous recessive)then the F2 generation will consist of organisms that exhibit what ratio of dominant phenotypes to recessive phenotypes?

Accepted Answer

A)  3:2 
B)  1:2 
C)  1:3 
D)  3:1 
E)  None of these 
A)  3:2 
B)  1:2 
C)  1:3 
D)  3:1 
E)  None of these

Question 8

What is a genetic cross between one homozygous recessive individual and one of unknown genotype?

Accepted Answer

A)  Self cross 
B)  Hybrid cross 
C)  Dihybrid cross 
D)  Test cross 
E)  F1 cross 
A)  Self cross 
B)  Hybrid cross 
C)  Dihybrid cross 
D)  Test cross 
E)  F1 cross

A recessive trait is one that is:

You perform a dihybrid cross between two plants that have traits expressing a simple dominance relationship.Then,you self the F? generation and analyze the progeny.How many degrees of freedom do you have for your chi-square test?

The principle of independent assortment states that:

In a cross of tall tomato plants (T)and dwarf tomato plants (t),the F2 generation consisted of 102 tall and 44 dwarf plants.Does this F2 data fit a ratio of 3:1?

A diagram that is used to show the relationships between family members and is used to track genetic traits is known as a(n):

In a trihybrid cross,the expected proportion of offspring showing all three recessive traits is

In a monohybrid cross,if the P generation consists of plants that are true breeding (one is homozygous dominant,the other homozygous recessive)then the F2 generation will consist of organisms that exhibit what ratio of dominant phenotypes to recessive phenotypes?

What is a genetic cross between one homozygous recessive individual and one of unknown genotype?

The Science Of Genetics

Cellular Reproduction

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

Inheritance Of Complex Traits

Population Genetics

Evolutionary Genetics

Filters

Exam 3: Mendelism The Basic Principles Of Inheritance

A recessive trait is one that is:

You perform a dihybrid cross between two plants that have traits expressing a simple dominance relationship.Then,you self the F? generation and analyze the progeny.How many degrees of freedom do you have for your chi-square test?

The principle of independent assortment states that:

In a cross of tall tomato plants (T)and dwarf tomato plants (t),the F2 generation consisted of 102 tall and 44 dwarf plants.Does this F2 data fit a ratio of 3:1?

A diagram that is used to show the relationships between family members and is used to track genetic traits is known as a(n):

In a trihybrid cross,the expected proportion of offspring showing all three recessive traits is

In a monohybrid cross,if the P generation consists of plants that are true breeding (one is homozygous dominant,the other homozygous recessive)then the F2 generation will consist of organisms that exhibit what ratio of dominant phenotypes to recessive phenotypes?

What is a genetic cross between one homozygous recessive individual and one of unknown genotype?

The Science Of Genetics

Cellular Reproduction

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

Inheritance Of Complex Traits

Population Genetics

Evolutionary Genetics

Filters