Question 1

Match each term with its correct definition.
-insertion sequences

Accepted Answer

A) movement of bacterial DNA from one cell to another inside a bacteriophage 
B) a virus 
C) particular segments of DNA that move from one place to another 
D) simplest TEs 
E) enzyme that catalyzes reactions to insert or remove TEs
F)DNA that has an inverted repeat sequence at each end
G)enzyme that uses an RNA template to make a DNA copy of the retrotransposon
H)transferring DNA using a virus 
A) movement of bacterial DNA from one cell to another inside a bacteriophage 
B) a virus 
C) particular segments of DNA that move from one place to another 
D) simplest TEs 
E) enzyme that catalyzes reactions to insert or remove TEs
F)DNA that has an inverted repeat sequence at each end
G)enzyme that uses an RNA template to make a DNA copy of the retrotransposon
H)transferring DNA using a virus

Question 2

Who discovered transformation?

Accepted Answer

A) Gregor Mendel 
B) Fred Griffith 
C) Elie L. Wollman 
D) Joshua Lederberg 
A) Gregor Mendel 
B) Fred Griffith 
C) Elie L. Wollman 
D) Joshua Lederberg

Question 3

Match each term with its correct definition.
-sexual reproduction

Accepted Answer

A) cell division that is modified to generate haploid cells 
B) haploid products of meiosis 
C) matching of homologous pairs of chromosomes during prophase I 
D) term used to describe cells having two sets of chromosomes 
E) diploid body cells that do not undergo meiosis
F)term used to describe cells having a single set of chromosomes
G)life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cell
H)another name for cross-over sites
I)variant of a particular gene having a slightly different DNA sequence than another variant of the same gene
J)diploid product of gamete fusion
K)process of gamete fusion 
A) cell division that is modified to generate haploid cells 
B) haploid products of meiosis 
C) matching of homologous pairs of chromosomes during prophase I 
D) term used to describe cells having two sets of chromosomes 
E) diploid body cells that do not undergo meiosis
F)term used to describe cells having a single set of chromosomes
G)life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cell
H)another name for cross-over sites
I)variant of a particular gene having a slightly different DNA sequence than another variant of the same gene
J)diploid product of gamete fusion
K)process of gamete fusion

Question 4

Which pattern of diploid and haploid phases reflects the life cycles of some fungi and algae, but NOT the life cycles of plants or animals?

Accepted Answer

A) two haploid generations followed by a diploid generation 
B) one haploid generation followed by two diploid generations 
C) a life cycle that limits the diploid state to a single cell produced by fertilization 
D) alternation between haploid and diploid generations 
A) two haploid generations followed by a diploid generation 
B) one haploid generation followed by two diploid generations 
C) a life cycle that limits the diploid state to a single cell produced by fertilization 
D) alternation between haploid and diploid generations

Question 5

Haploid organisms growing via mitosis from spores are called gametophytes.

Accepted Answer

A) True 
 B)False

Question 6

During conjugation, which cells are the recipients of the exogenous DNA?

Accepted Answer

A) F- cells 
B) F2 cells 
C) F1 cells 
D) F+ cells 
A) F- cells 
B) F2 cells 
C) F1 cells 
D) F+ cells

Question 7

By which molecular process do noninfective strains of bacteria acquire genes from infectious strains?

Accepted Answer

A) by nuclear division 
B) by metaphase II 
C) by double cross-overs 
D) by meiosis 
A) by nuclear division 
B) by metaphase II 
C) by double cross-overs 
D) by meiosis

Question 8

Which phrase best describes the result of meiosis?

Accepted Answer

A) the generation of four haploid cells 
B) the generation of four diploid cells 
C) the generation of two diploid cells and two haploid cells 
D) the generation of two diploid cells 
A) the generation of four haploid cells 
B) the generation of four diploid cells 
C) the generation of two diploid cells and two haploid cells 
D) the generation of two diploid cells

Question 9

Which of the following types of genetic material undergo recombination during meiosis?

Accepted Answer

A) sister chromatids 
B) sister chromatids and homologous chromosomes 
C) all four chromatids 
D) homologous chromatids 
A) sister chromatids 
B) sister chromatids and homologous chromosomes 
C) all four chromatids 
D) homologous chromatids

Question 10

The mechanisms that control the number of cross-over events in a cell have been well characterized.

Accepted Answer

A) True 
 B)False

Question 11

Identify each numbered part of the following illustration.    
-spindle microtubules

Accepted Answer

The answer of Identify each numbered part of the following...

Question 12

Which stage of meiosis is characterized by DNA condensation into compact chromosomes?

Accepted Answer

A) prophase I 
B) prophase II 
C) prometaphase I 
D) anaphase I 
A) prophase I 
B) prophase II 
C) prometaphase I 
D) anaphase I

Question 13

Which type of DNA is transferred as a result of conjugation involving an Hfr strain of E. coli?

Accepted Answer

A) the F factor 
B) chromosomal genes 
C) eukaryotic DNA 
D) the sex pilus 
A) the F factor 
B) chromosomal genes 
C) eukaryotic DNA 
D) the sex pilus

Question 14

Which chromosomal arrangements are assured by the gametes that are produced by independent assortment?

Accepted Answer

A) chromosomes containing genes from the paternal and maternal chromosomes 
B) some paternal chromosomes and some maternal chromosomes 
C) only maternal chromosomes 
D) only paternal chromosomes 
A) chromosomes containing genes from the paternal and maternal chromosomes 
B) some paternal chromosomes and some maternal chromosomes 
C) only maternal chromosomes 
D) only paternal chromosomes

Question 15

Match each term with its correct definition.
-transposon

Accepted Answer

A) movement of bacterial DNA from one cell to another inside a bacteriophage 
B) a virus 
C) particular segments of DNA that move from one place to another 
D) simplest TEs 
E) enzyme that catalyzes reactions to insert or remove TEs
F)DNA that has an inverted repeat sequence at each end
G)enzyme that uses an RNA template to make a DNA copy of the retrotransposon
H)transferring DNA using a virus 
A) movement of bacterial DNA from one cell to another inside a bacteriophage 
B) a virus 
C) particular segments of DNA that move from one place to another 
D) simplest TEs 
E) enzyme that catalyzes reactions to insert or remove TEs
F)DNA that has an inverted repeat sequence at each end
G)enzyme that uses an RNA template to make a DNA copy of the retrotransposon
H)transferring DNA using a virus

Question 16

In terms of meiosis, what is the essential difference between the life cycle of animals and the life cycle of plants?

Accepted Answer

A) Plants alternate between haploid and diploid generations. 
B) Animals do not have a haploid phase. 
C) Animals have a dominant haploid phase. 
D) Plants alternate between diploid and polyploid generations. 
A) Plants alternate between haploid and diploid generations. 
B) Animals do not have a haploid phase. 
C) Animals have a dominant haploid phase. 
D) Plants alternate between diploid and polyploid generations.

Question 17

Match each term with its correct definition.
-diploid

Accepted Answer

A) cell division that is modified to generate haploid cells 
B) haploid products of meiosis 
C) matching of homologous pairs of chromosomes during prophase I 
D) term used to describe cells having two sets of chromosomes 
E) diploid body cells that do not undergo meiosis
F)term used to describe cells having a single set of chromosomes
G)life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cell
H)another name for cross-over sites
I)variant of a particular gene having a slightly different DNA sequence than another variant of the same gene
J)diploid product of gamete fusion
K)process of gamete fusion 
A) cell division that is modified to generate haploid cells 
B) haploid products of meiosis 
C) matching of homologous pairs of chromosomes during prophase I 
D) term used to describe cells having two sets of chromosomes 
E) diploid body cells that do not undergo meiosis
F)term used to describe cells having a single set of chromosomes
G)life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cell
H)another name for cross-over sites
I)variant of a particular gene having a slightly different DNA sequence than another variant of the same gene
J)diploid product of gamete fusion
K)process of gamete fusion

Question 18

Match each term with its correct definition.
-chiasmata

Accepted Answer

A) cell division that is modified to generate haploid cells 
B) haploid products of meiosis 
C) matching of homologous pairs of chromosomes during prophase I 
D) term used to describe cells having two sets of chromosomes 
E) diploid body cells that do not undergo meiosis
F)term used to describe cells having a single set of chromosomes
G)life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cell
H)another name for cross-over sites
I)variant of a particular gene having a slightly different DNA sequence than another variant of the same gene
J)diploid product of gamete fusion
K)process of gamete fusion 
A) cell division that is modified to generate haploid cells 
B) haploid products of meiosis 
C) matching of homologous pairs of chromosomes during prophase I 
D) term used to describe cells having two sets of chromosomes 
E) diploid body cells that do not undergo meiosis
F)term used to describe cells having a single set of chromosomes
G)life strategy that involves fusion of haploid gametes from two source organisms to form a diploid cell
H)another name for cross-over sites
I)variant of a particular gene having a slightly different DNA sequence than another variant of the same gene
J)diploid product of gamete fusion
K)process of gamete fusion

Question 19

Which of the following always results from recombination at the synaptonemal complex?

Accepted Answer

A) a random number of changed chromatids vs. unchanged chromatids 
B) four unchanged chromatids 
C) two changed chromatids and two unchanged chromatids 
D) four changed chromatids 
A) a random number of changed chromatids vs. unchanged chromatids 
B) four unchanged chromatids 
C) two changed chromatids and two unchanged chromatids 
D) four changed chromatids

Question 20

What do bacterial cells do in transduction?

Accepted Answer

A) They take up pieces of DNA through the use of a virus. 
B) They replicate DNA molecules. 
C) They make replicate copies of one another. 
D) They take up pieces of DNA that are released as other cells disintegrate. 
A) They take up pieces of DNA through the use of a virus. 
B) They replicate DNA molecules. 
C) They make replicate copies of one another. 
D) They take up pieces of DNA that are released as other cells disintegrate.

Exam 9: Genetic Recombination

Match each term with its correct definition. -insertion sequences

Who discovered transformation?

Match each term with its correct definition. -sexual reproduction

Which pattern of diploid and haploid phases reflects the life cycles of some fungi and algae, but NOT the life cycles of plants or animals?

Haploid organisms growing via mitosis from spores are called gametophytes.

During conjugation, which cells are the recipients of the exogenous DNA?

By which molecular process do noninfective strains of bacteria acquire genes from infectious strains?

Which phrase best describes the result of meiosis?

Which of the following types of genetic material undergo recombination during meiosis?

The mechanisms that control the number of cross-over events in a cell have been well characterized.

Identify each numbered part of the following illustration. -spindle microtubules

Which stage of meiosis is characterized by DNA condensation into compact chromosomes?

Which type of DNA is transferred as a result of conjugation involving an Hfr strain of E. coli?

Which chromosomal arrangements are assured by the gametes that are produced by independent assortment?

Match each term with its correct definition. -transposon

In terms of meiosis, what is the essential difference between the life cycle of animals and the life cycle of plants?

Match each term with its correct definition. -diploid

Match each term with its correct definition. -chiasmata

Which of the following always results from recombination at the synaptonemal complex?

What do bacterial cells do in transduction?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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