Question 1

A two-point testcross is a cross between

Accepted Answer

A) a double heterozygote for two linked genes and a double recessive genotype. 
B) a heterozygote for one of two linked genes and a double recessive genotype. 
C) a double heterozygote for two linked genes and a homozygous dominant genotype. 
D) a heterozygote for one gene and a homozygote for another. 
E) individuals with two different genetic markers. 
A) a double heterozygote for two linked genes and a double recessive genotype. 
B) a heterozygote for one of two linked genes and a double recessive genotype. 
C) a double heterozygote for two linked genes and a homozygous dominant genotype. 
D) a heterozygote for one gene and a homozygote for another. 
E) individuals with two different genetic markers.

Question 2

Statistical analysis of linkage between any two genes has 1 degree of freedom since there are only two classes of data,parental and recombinant.

Accepted Answer

A) True 
 B)False

Question 3

Genes that are linked

Accepted Answer

A) segregate to opposite poles during meiosis. 
B) do not assort independently during meiosis. 
C) segregate independently during meiosis. 
D) are on nonhomologous chromosomes. 
E) are always on the X chromosome. 
A) segregate to opposite poles during meiosis. 
B) do not assort independently during meiosis. 
C) segregate independently during meiosis. 
D) are on nonhomologous chromosomes. 
E) are always on the X chromosome.

Question 4

A DNA mutation that gives a distinguishable phenotype for a chromosome or gene is a

Accepted Answer

A) recessive allele. 
B) lethal mutation. 
C) parental type. 
D) linkage group. 
E) genetic marker. 
A) recessive allele. 
B) lethal mutation. 
C) parental type. 
D) linkage group. 
E) genetic marker.

Question 5

Two genes on a Drosophila chromosome are 70 mu apart.How do you think this number was calculated,and what percentage of recombination would you expect to see between them experimentally?

Accepted Answer

Distances must have been calculated betw

Question 6

It is not necessary to use a male from a tester strain to genetically map genes on the X chromosome.How can this be done and why does it work?

Accepted Answer

It is necessary to start with females th

A two-point testcross is a cross between

Statistical analysis of linkage between any two genes has 1 degree of freedom since there are only two classes of data,parental and recombinant.

Genes that are linked

A DNA mutation that gives a distinguishable phenotype for a chromosome or gene is a

Two genes on a Drosophila chromosome are 70 mu apart.How do you think this number was calculated,and what percentage of recombination would you expect to see between them experimentally?

It is not necessary to use a male from a tester strain to genetically map genes on the X chromosome.How can this be done and why does it work?

Genetics: An Introduction

DNA: The Genetic Material

DNA Replication

Gene Function

Gene Expression: Transcription

Gene Expression: Translation

Dna Mutation, DNA Repair, and Transposable Elements

Genomics: The Mapping and Sequencing of Genomes

Functional and Comparative Genomics

Recombinant DNA Technology

Mendelian Genetics

Chromosomal Basis of Inheritance

Extensions of and Deviations From Mendelian Genetic Principles

Genetics of Bacteria and Bacteriophages

Variations in Chromosome Structure and Number

Regulation of Gene Expression in Bacteria and Bacteriophages

Regulation of Gene Expression in Eukaryotes

Genetic Analysis of Development

Genetics of Cancer

Population Genetics

Quantitative Genetics

Molecular Evolution

Filters

Exam 14: Genetic Mapping in Eukaryotes

A two-point testcross is a cross between

Statistical analysis of linkage between any two genes has 1 degree of freedom since there are only two classes of data,parental and recombinant.

Genes that are linked

A DNA mutation that gives a distinguishable phenotype for a chromosome or gene is a

Two genes on a Drosophila chromosome are 70 mu apart.How do you think this number was calculated,and what percentage of recombination would you expect to see between them experimentally?

It is not necessary to use a male from a tester strain to genetically map genes on the X chromosome.How can this be done and why does it work?

Genetics: An Introduction

DNA: The Genetic Material

DNA Replication

Gene Function

Gene Expression: Transcription

Gene Expression: Translation

Dna Mutation, DNA Repair, and Transposable Elements

Genomics: The Mapping and Sequencing of Genomes

Functional and Comparative Genomics

Recombinant DNA Technology

Mendelian Genetics

Chromosomal Basis of Inheritance

Extensions of and Deviations From Mendelian Genetic Principles

Genetics of Bacteria and Bacteriophages

Variations in Chromosome Structure and Number

Regulation of Gene Expression in Bacteria and Bacteriophages

Regulation of Gene Expression in Eukaryotes

Genetic Analysis of Development

Genetics of Cancer

Population Genetics

Quantitative Genetics

Molecular Evolution

Filters