Question 1

In eukaryotic organisms, a single-stranded break in the DNA is required before recombination can begin during meiosis.

Accepted Answer

A) True 
 B)False

Question 2

The integrase enzyme recognizes long terminal repeats at the ends of double stranded DNA

Accepted Answer

A) True 
 B)False

Question 3

The individual who first proposed the existence of transposable elements was ________.

Accepted Answer

A)  Sturtevant 
B)  Morgan 
C)  McClintock 
D)  Franklin 
E)  Watson 
A)  Sturtevant 
B)  Morgan 
C)  McClintock 
D)  Franklin 
E)  Watson

Question 4

Recombination between sister chromatids produces new combinations of alleles that may be beneficial to the species.

Accepted Answer

A) True 
 B)False

Question 5

The Holliday model is used to explain which of the following?

Accepted Answer

A)  Recombination between homologous chromosomes 
B)  Recombination between sister chromatids 
C)  The migration of transposons 
D)  The replication of transposons 
E)  The generation of antibody diversity 
A)  Recombination between homologous chromosomes 
B)  Recombination between sister chromatids 
C)  The migration of transposons 
D)  The replication of transposons 
E)  The generation of antibody diversity

Question 6

Insertion sequences can be identified by which of the following?

Accepted Answer

A)  Presence of an integrase enzyme 
B)  High level of mutation 
C)  Presence of inverted repeats at the end of the sequence 
D)  Presence of a reverse transcriptase enzyme 
A)  Presence of an integrase enzyme 
B)  High level of mutation 
C)  Presence of inverted repeats at the end of the sequence 
D)  Presence of a reverse transcriptase enzyme

Question 7

What is the selfish DNA theory?

Accepted Answer

A)  A theory that explains how DNA point mutations are repaired within the genome. 
B)  A theory that explains how transposable elements are repaired within the genome. 
C)  A theory that attempts to explain the proliferation of transposable elements in a genome by comparing it to the action of a parasite. 
D)  A theory that attempts to explain how the proliferation of transposons improves the evolutionary advantage of the host organism. 
A)  A theory that explains how DNA point mutations are repaired within the genome. 
B)  A theory that explains how transposable elements are repaired within the genome. 
C)  A theory that attempts to explain the proliferation of transposable elements in a genome by comparing it to the action of a parasite. 
D)  A theory that attempts to explain how the proliferation of transposons improves the evolutionary advantage of the host organism.

Question 8

Which of the following is an example of a transposable element in humans?

Accepted Answer

A)  Alu 
B)  P elements 
C)  Mu 
D)  Ty 
A)  Alu 
B)  P elements 
C)  Mu 
D)  Ty

Question 9

Which enzyme is unique to the retro elements?

Accepted Answer

A)  Reverse transcriptase 
B)  Reverse resolvase 
C)  Transposase 
D)  Integrase 
E)  Reverse integrase 
A)  Reverse transcriptase 
B)  Reverse resolvase 
C)  Transposase 
D)  Integrase 
E)  Reverse integrase

Question 10

Researchers have suggested that transpositions may cause the insertion of exons from one gene into another

Accepted Answer

A) True 
 B)False

Question 11

Which of the following domain types is unique to the heavy chain of the polypeptide?

Accepted Answer

A)  V 
B)  D 
C)  J 
D)  C 
A)  V 
B)  D 
C)  J 
D)  C

Question 12

Site-specific recombination occurs between homologous sequences of DNA.

Accepted Answer

A) True 
 B)False

Exam 20: Recombination, Immunogenetics, and Transposition

In eukaryotic organisms, a single-stranded break in the DNA is required before recombination can begin during meiosis.

The integrase enzyme recognizes long terminal repeats at the ends of double stranded DNA

The individual who first proposed the existence of transposable elements was ________.

Recombination between sister chromatids produces new combinations of alleles that may be beneficial to the species.

The Holliday model is used to explain which of the following?

Insertion sequences can be identified by which of the following?

What is the selfish DNA theory?

Which of the following is an example of a transposable element in humans?

Which enzyme is unique to the retro elements?

Researchers have suggested that transpositions may cause the insertion of exons from one gene into another

Which of the following domain types is unique to the heavy chain of the polypeptide?

Site-specific recombination occurs between homologous sequences of DNA.

Overview of Genetics

Mendelian Inheritance

Chromosome Transmission During Cell Division and Sexual Reproduction

Extensions of Mendelian Inheritance

Non-Mendelian Inheritance

Genetic Linkage and Mapping in Eukaryotes

Genetic Transfer and Mapping in Bacteria

Variation in Chromosome Structure and Number

Molecular Structure of Dna and Rna

Chromosome Organization and Molecular Structure

Dna Replication

Gene Transcription and Rna Modification

Translation of Mrna

Gene Regulation in Bacteria

Gene Regulation in Eukaryotes I: Transcriptional and Translation Regulation

Gene Regulation in Eukaryotes Ii: Epigenetics

Non-Coding Rnas

Genetics of Viruses

Gene Mutation and Dna Repair

Molecular Technologies

Biotechnology

Genomics I: Analysis of Dna

Genomics Ii: Functional Genomics, Proteomics, and Bioinformatics

Medical Genetics and Cancer

Developmental Genetics

Population Genetics

Complex and Quantitative Traits

Evolutionary Genetics

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