Question 1

A male is produced from an unfertilized haploid egg is an example of what type of sex determination system?

Accepted Answer

A)  X-Y 
B)  Z-W 
C)  X-O 
D)  Haplo-diploid 
E)  None of the answers are correct 
A)  X-Y 
B)  Z-W 
C)  X-O 
D)  Haplo-diploid 
E)  None of the answers are correct

Question 2

The general purpose of the synaptonemal complex is to .

Accepted Answer

A)  Provide a link between homologous chromosomes in meiosis 
B)  To enable the reformation of the cell wall during cytokinesis 
C)  To separate the sister chromatids during anaphase 
D)  To independently assort the chromosomes during metaphase of meiosis 
E)  None of the answers are correct 
A)  Provide a link between homologous chromosomes in meiosis 
B)  To enable the reformation of the cell wall during cytokinesis 
C)  To separate the sister chromatids during anaphase 
D)  To independently assort the chromosomes during metaphase of meiosis 
E)  None of the answers are correct

Question 3

In a plant, which of the following is triploid (3n)?

Accepted Answer

A)  Pollen grain 
B)  Embryo sac 
C)  Seed 
D)  Endosperm 
E)  None of the answers are triploid 
A)  Pollen grain 
B)  Embryo sac 
C)  Seed 
D)  Endosperm 
E)  None of the answers are triploid

Question 4

A pollen grain in a plant represents the .

Accepted Answer

A)  male gametophyte 
B)  female gametophyte 
C)  male sporophyte 
D)  female sporophyte 
A)  male gametophyte 
B)  female gametophyte 
C)  male sporophyte 
D)  female sporophyte

Question 5

During which phase the separated sister chromatids are considered independent chromosomes?

Accepted Answer

A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase 
A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase

Question 6

In plants, the haploid generation is called the and the diploid generation is called the .

Accepted Answer

A)  Sporophyte ; spermatogenesis 
B)  Gametophyte ; sporophyte 
C)  Sporophyte ; gametophyte 
D)  Oogenesis ; gametophyte 
A)  Sporophyte ; spermatogenesis 
B)  Gametophyte ; sporophyte 
C)  Sporophyte ; gametophyte 
D)  Oogenesis ; gametophyte

Question 7

A cytogeneticist would primarily do which of the following?

Accepted Answer

A)  Study the distribution of traits in a population 
B)  Study the evolutionary changes in a specific trait 
C)  Use a karyotype analysis to examination chromosomal structure 
D)  Determine the genetic sequence of a specific gene 
A)  Study the distribution of traits in a population 
B)  Study the evolutionary changes in a specific trait 
C)  Use a karyotype analysis to examination chromosomal structure 
D)  Determine the genetic sequence of a specific gene

Question 8

During which phase the chromosomes start to condense?

Accepted Answer

A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase 
A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase

Question 9

During which phase the sister chromatids separate and head towards opposite poles of the cell?

Accepted Answer

A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase 
A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase

Question 10

The end result of meiosis in animals is .

Accepted Answer

A)  Two diploid cells 
B)  Two haploid cells 
C)  Four diploid cells 
D)  Four haploid cells 
E)  None of the answers are correct 
A)  Two diploid cells 
B)  Two haploid cells 
C)  Four diploid cells 
D)  Four haploid cells 
E)  None of the answers are correct

Question 11

The bivalent structure forms during which of the following?

Accepted Answer

A)  Leptotene 
B)  Zygotene 
C)  Pachytene 
D)  Diplotene 
E)  Diakinesis 
A)  Leptotene 
B)  Zygotene 
C)  Pachytene 
D)  Diplotene 
E)  Diakinesis

Question 12

Which of the following is not an example of a eukaryotic cell?

Accepted Answer

A)  Bacteria 
B)  Fungi 
C)  Protests 
D)  Plants 
E)  Animals 
A)  Bacteria 
B)  Fungi 
C)  Protests 
D)  Plants 
E)  Animals

Question 13

During which phase the nuclear membrane starts to disassociate?

Accepted Answer

A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase 
A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase

Question 14

Which of the following occurs during leptotene of prophase I?

Accepted Answer

A)  The homologous chromosomes recognize one another by synapsis 
B)  Crossing over occurs 
C)  The replicated chromosomes condense 
D)  The synaptonemal complex dissociates 
E)  None of the answers are correct 
A)  The homologous chromosomes recognize one another by synapsis 
B)  Crossing over occurs 
C)  The replicated chromosomes condense 
D)  The synaptonemal complex dissociates 
E)  None of the answers are correct

Question 15

During which phase the centrosomes move to opposite poles of the cell?

Accepted Answer

A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase 
A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase

Question 16

In plants, spores are produced by the process of .

Accepted Answer

A)  Spermatogenesis 
B)  Meiosis 
C)  Mitosis 
D)  Binary fission 
E)  Oogenesis 
A)  Spermatogenesis 
B)  Meiosis 
C)  Mitosis 
D)  Binary fission 
E)  Oogenesis

Question 17

During which phase the microtubules of the spindle fiber attach to the kinetochore?

Accepted Answer

A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase 
A)  Metaphase 
B)  Prometaphase 
C)  Telophase 
D)  Anaphase 
E)  Prophase

Question 18

During this phase of the cell cycle, the sister chromatids are formed.

Accepted Answer

A)  G1 phase 
B)  G2 phase 
C)  S phase 
D)  Prophase 
E)  Cytokinesis 
A)  G1 phase 
B)  G2 phase 
C)  S phase 
D)  Prophase 
E)  Cytokinesis

Question 19

Which of the following is paired to its correct function?

Accepted Answer

A)  Polar microtubules - separate the poles 
B)  Aster microtubules - positioning of the spindle apparatus 
C)  Kinetochore microtubules - bind kinetochore to centromere 
D)  All of the answers are correct 
A)  Polar microtubules - separate the poles 
B)  Aster microtubules - positioning of the spindle apparatus 
C)  Kinetochore microtubules - bind kinetochore to centromere 
D)  All of the answers are correct

Question 20

Studies of X-linked inheritance and sex chromosomes provided the evidence for which of the following?

Accepted Answer

A)  Chromosomal theory of inheritance 
B)  Particulate theory of inheritance 
C)  Theory of natural selection 
D)  Law of segregation 
E)  Principle of dominance 
A)  Chromosomal theory of inheritance 
B)  Particulate theory of inheritance 
C)  Theory of natural selection 
D)  Law of segregation 
E)  Principle of dominance

Exam 3: Reproduction and Chromosome Transmission

A male is produced from an unfertilized haploid egg is an example of what type of sex determination system?

The general purpose of the synaptonemal complex is to .

In a plant, which of the following is triploid (3n)?

A pollen grain in a plant represents the .

During which phase the separated sister chromatids are considered independent chromosomes?

In plants, the haploid generation is called the and the diploid generation is called the .

A cytogeneticist would primarily do which of the following?

During which phase the chromosomes start to condense?

During which phase the sister chromatids separate and head towards opposite poles of the cell?

The end result of meiosis in animals is .

The bivalent structure forms during which of the following?

Which of the following is not an example of a eukaryotic cell?

During which phase the nuclear membrane starts to disassociate?

Which of the following occurs during leptotene of prophase I?

During which phase the centrosomes move to opposite poles of the cell?

In plants, spores are produced by the process of .

During which phase the microtubules of the spindle fiber attach to the kinetochore?

During this phase of the cell cycle, the sister chromatids are formed.

Which of the following is paired to its correct function?

Studies of X-linked inheritance and sex chromosomes provided the evidence for which of the following?

Overview of Genetics

Mendelian Inheritance

Extensions of Mendelian Inheritance

Non-Mendelian Inheritance

Genetic Linkage and Mapping in Eukaryotes

Genetic Transfer and Mapping in Bacteria and

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 and Bacteriophages

Gene Regulation in Eukaryotes

Gene Mutation and Dna Repair

Recombination and Transposition at the Molecular

Recombinant Dna Technology

Biotechnology

Genomics I: Analysis of Dna

Genomics II: Functional Genomics, Proteomics, and

Medical Genetics and Cancer

Developmental Genetics

Population Genetics

Quantitative Genetics

Evolutionary Genetics

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