Test Bank
INTRODUCTION TO GENETIC ANALYSIS
By Antony J.F. Griffiths, John Doebley, Catherine Peichel, and David A. Wassarman
12th Edition
Table of Contents
Chapter 01 The Genetics Revolution
Chapter 02 Single Gene Inheritance
Chapter 03 Independent Assortment of Genes
Chapter 04 Mapping Eukaryote Chromosomes by Recombination
Chapter 05 Gene Interaction 63
Chapter 06 The Genetics of Bacteria and Their Viruses
Chapter 07 DNA Structure and Replication
Chapter 08 RNA Transcription Processing and Decay
Chapter 09 Proteins and Their Synthesis
Chapter 10 Gene Isolation and Manipulation
Chapter 11 Regulation of Gene Expression in Bacteria and Their Viruses
Chapter 12 Regulation of Gene Expression in Eukaryotes
Chapter 13 The Genetic Control of Development
Chapter 14 Genomes and Genomics
Chapter 15 DNA Damage Repair and Recombination
Chapter 16 The Dynamic Genome Transposable Elements
Chapter 17 Large Scale Chromosomal Changes
Chapter 18 Population Genetics
Chapter 19 The Inheritance of Complex Traits
Chapter 20 Evolution of Genes and Traits
1|Page
,CHAPTER 01: The Genetics Revolution
MULTIPLE CHOICES
1. The early 1900s was an important period
for genetics due to which of the following major events?
A)
the rediscovery of Gregor Mendel's scientific findings
B)
Watson and Crick solving the structure of DNA
C)
All of the answer options are correct. - Correct Ans ✓✓ A
2. Which of the following is/are FALSE about genes?
A) Genes are located on chromosomes.
B) Genes come in variants known as alleles.
C) Genes always encode protein products.
D) None of the answer options are correct - Correct Ans ✓✓ C
3. A botanist has determined that flower color in a new species of orchid is determined by a
gene with two alleles, one of which is dominant. The dominant flower color is red. The
recessive flower color is white. How many recessive alleles must an orchid possess in order
to demonstrate white flowers?
A) Zero
B) One
C) Two
D) Three
2|Page
,E) four - Correct Ans ✓✓ C
Which of the following is a correct representation of the central dogma?
A) RNA → DNA → Protein
B) Protein → DNA → RNA
C) DNA → RNA → Protein
D) DNA → Protein → DNA - Correct Ans ✓✓ C
Which of the following features make a species suitable as a model organism?
A) Small organism
B) Short generation time
C) Small genome
D) Produce large number of offspring
E) All of the answer options are correct - Correct Ans ✓✓ E
Ecologists are sampling mice from different parks in New York City. Most of the mice these
researchers collect demonstrate "straight" tails; however, few mice exhibit "curly" tails. In
this scenario, a "straight" tail would be considered the _________ phenotype, and a "curly"
tail would be considered a __________ phenotype.
a) heterogametic; homogametic
b) polymorphism; wild-type
c) mutant; wild-type
d) wild-type; mutant
e) None of the above. - Correct Ans ✓✓ D
3|Page
, . If a plant of genotype A/a is selfed, and numerous offspring are scored, what proportion of
the progeny is expected to have homozygous genotypes?
A) 0
B) 25%
C) 50%
D) 75%
E) 100% - Correct Ans ✓✓ C
A wild-type strain of haploid yeast is crossed to a mutant strain with phenotype d. What
phenotypic ratios will be observed in the haploid progeny?
A) All wild type
B) 75% wild type and 25% mutant (d)
C) 50% wild type and 50% mutant (d)
D) 25% wild type and 75% mutant (d)
E) All mutant (d) - Correct Ans ✓✓ C
What is the mechanism that ensures Mendel's first law of segregation?
A) Formation of chiasmata
B) Formation of the kinetochore
C) Pairing of homologous chromosomes
D) Segregation of homologous chromosomes during meiosis I - Correct Ans ✓✓ D
. What is the maximum number of heterozygous genotypes that could be produced by
monohybrid self?
A) 1
4|Page
INTRODUCTION TO GENETIC ANALYSIS
By Antony J.F. Griffiths, John Doebley, Catherine Peichel, and David A. Wassarman
12th Edition
Table of Contents
Chapter 01 The Genetics Revolution
Chapter 02 Single Gene Inheritance
Chapter 03 Independent Assortment of Genes
Chapter 04 Mapping Eukaryote Chromosomes by Recombination
Chapter 05 Gene Interaction 63
Chapter 06 The Genetics of Bacteria and Their Viruses
Chapter 07 DNA Structure and Replication
Chapter 08 RNA Transcription Processing and Decay
Chapter 09 Proteins and Their Synthesis
Chapter 10 Gene Isolation and Manipulation
Chapter 11 Regulation of Gene Expression in Bacteria and Their Viruses
Chapter 12 Regulation of Gene Expression in Eukaryotes
Chapter 13 The Genetic Control of Development
Chapter 14 Genomes and Genomics
Chapter 15 DNA Damage Repair and Recombination
Chapter 16 The Dynamic Genome Transposable Elements
Chapter 17 Large Scale Chromosomal Changes
Chapter 18 Population Genetics
Chapter 19 The Inheritance of Complex Traits
Chapter 20 Evolution of Genes and Traits
1|Page
,CHAPTER 01: The Genetics Revolution
MULTIPLE CHOICES
1. The early 1900s was an important period
for genetics due to which of the following major events?
A)
the rediscovery of Gregor Mendel's scientific findings
B)
Watson and Crick solving the structure of DNA
C)
All of the answer options are correct. - Correct Ans ✓✓ A
2. Which of the following is/are FALSE about genes?
A) Genes are located on chromosomes.
B) Genes come in variants known as alleles.
C) Genes always encode protein products.
D) None of the answer options are correct - Correct Ans ✓✓ C
3. A botanist has determined that flower color in a new species of orchid is determined by a
gene with two alleles, one of which is dominant. The dominant flower color is red. The
recessive flower color is white. How many recessive alleles must an orchid possess in order
to demonstrate white flowers?
A) Zero
B) One
C) Two
D) Three
2|Page
,E) four - Correct Ans ✓✓ C
Which of the following is a correct representation of the central dogma?
A) RNA → DNA → Protein
B) Protein → DNA → RNA
C) DNA → RNA → Protein
D) DNA → Protein → DNA - Correct Ans ✓✓ C
Which of the following features make a species suitable as a model organism?
A) Small organism
B) Short generation time
C) Small genome
D) Produce large number of offspring
E) All of the answer options are correct - Correct Ans ✓✓ E
Ecologists are sampling mice from different parks in New York City. Most of the mice these
researchers collect demonstrate "straight" tails; however, few mice exhibit "curly" tails. In
this scenario, a "straight" tail would be considered the _________ phenotype, and a "curly"
tail would be considered a __________ phenotype.
a) heterogametic; homogametic
b) polymorphism; wild-type
c) mutant; wild-type
d) wild-type; mutant
e) None of the above. - Correct Ans ✓✓ D
3|Page
, . If a plant of genotype A/a is selfed, and numerous offspring are scored, what proportion of
the progeny is expected to have homozygous genotypes?
A) 0
B) 25%
C) 50%
D) 75%
E) 100% - Correct Ans ✓✓ C
A wild-type strain of haploid yeast is crossed to a mutant strain with phenotype d. What
phenotypic ratios will be observed in the haploid progeny?
A) All wild type
B) 75% wild type and 25% mutant (d)
C) 50% wild type and 50% mutant (d)
D) 25% wild type and 75% mutant (d)
E) All mutant (d) - Correct Ans ✓✓ C
What is the mechanism that ensures Mendel's first law of segregation?
A) Formation of chiasmata
B) Formation of the kinetochore
C) Pairing of homologous chromosomes
D) Segregation of homologous chromosomes during meiosis I - Correct Ans ✓✓ D
. What is the maximum number of heterozygous genotypes that could be produced by
monohybrid self?
A) 1
4|Page
