BIOL 1040 Unit 1 Week 1 Mitosis Explored
Mitosis and the Cell Cycle
1) Saccharomyces cerevisiae is the first model organism in the exercise. It is
referred to as budding yeast. Why is it referred to by this description and how
does this yeast
a structure in the interphase nuclei of somatic cells of female mammals that is a highly condensed X chromosome
small colony yeast phenotype resulting from defects in mitochondrial function
a species in which the two sex chro
BIOL 1040 Unit 1 Week 2 Meiosis Explored
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BIOL 1040 Unit 2 Week 3 Mendelian Pigs
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Chapter 2Mendels Breakthrough: Patterns, Particles, and Principles of Heredity
Fill in the Blank
1. A _ is a sequence of nucleotides that are basic units of
2. _ is the science of heredity and it seeks a pre
Recombination between sister chromatids produces new combinations of alleles that may be beneficial to
The Holliday model is used to explain which of the following?
A. Recombination between homologous chromosome
Chapter 19(473-492) Recombination and Transposition at the molecular level
Homologous Recombination: the exchange of DNA segments between homologous chromosomes
- process where DNA segments that are similar or identical to each other break and rejoi
Frederick Griffith is responsible for discovering what process?
The fact that the type R and S strains of Streptococcus pneumoniae that Griffith worked with possessed
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Genetics-EX2 CH-8 40 terms by jaewon0215
16. In the usual flow of genetic information (often called the Central Dogma), which of the
following best represents the expression of genes?
Who originally identified a highly condensed structure in the interphase of nuclei?
D. None of the answers are correct
What gene(s) is/are encoded in the Xic?
Both the Tsix and Xist gen
The ectoderm, mesoderm, and endoderm are formed during the
stage of embryogenesis.
Gap genes and pair-rule genes are examples of genes that determine
Transcription and Translation
Answer all questions. Indicate your choice by circling the response you consider to be most
The nitrogenous base adenine is found in all members of which group?
proteins, triglycerides, and testosterone
What is true concerning a quantitative trait?
A. Individuals fall into distinct classes for comparison
B. The phenotypic variation for the trait is continuous
C. The phenotypic variation for the trait falls into two to three classes
Which of the following is true regarding bacterial genetics?
Bacteria are usually diploid organisms
Bacteria primarily reproduce sexually
The patterns of inheritance in bacteria are studied using different mechanisms than eukaryo
What field of study of genetics applies statistics and mathematical tools to genetic sequences in order to
better understand the genetic information?
In a tw
The theory of pangenesis was first proposed by
E. None of these
Which of the following is correct regarding the blending hypothesis of inheritance?
A. It suggested that hereditary traits
In prokaryotic cells
genetic information is contained within a nucleoid region.
genetic material is organized as a single circular chromosome.
membrane bound organelles are found in the cytoplasm.
a cell wall surrounds the plasma membrane
The first hormone to be made by recombinant bacteria was
Which of the following organisms is used by molecular biologists to produce transgenic plants?
A. E. coli
B. Plasmid pSC1
Chapter 12:(287-309) Gene Transcription and RNA Modification (molecular steps in gene expression via
primary function of DNA: provide genetic information (which is contained w/in a gene) needed to create a living organism
Chapter 11(261-282): DNA Replication
DNA Replication: the process in which original DNA strands are used as templates for the synthesis of new
(?) structural double helical features underlie the replication process
Where DNA replication Begins
Chapter 15(368-386): Gene Regulation in
Eukaryotes I: Transcriptional Regulation
Gene regulation: the phenomenon that the level of
gene expression can be controlled so that genes
can be expressed at high or low levels during
EUK cells c
Chapter 17(417-440): Genetics of Viruses
Virus: a small infectious particle that contains nucleic acid as its genetic material, surrounded by a capsid of proteins.
Some viruses also have an envelope consisting of a membrane embedded w/ spike proteins
Chapter 18:(443-472) Gene Mutation and DNA Repair
DNA: primary function = to store information for the synthesis of proteins
- KEY: DNA doesnt normally change, allowing it to function as a permanent storage unit
Mutation: permanent change in genetic m
Chapter 13: (315-338)Translation of mRNA
mRNA codons translation AA polypeptide protein
focus on translation; specifically molecular interactions regarding this process
will consider exp that revealed that some genes encode proteins that function as enzym
RegulatoryTranscriptionFactors:a protein or protein complex that binds to
a regulatory element and influences the rate o
Chapter 7: Genetic Transfer and Mapping in Bacteria and Bacteriophages
eukaryotic species are easy to study because of the discernible traits among individuals and
the easily analyzed sexual reproduction; aka the ability to follow allelic differences in a
Chapter 8(183-208) Variation In Chromosome Structure & Number
genetic variation: genetic differences among members of the same species
allelic variation: differences through genes (Ch 2-7 focus)
will focus on larger types of genetic change affect structu
Chapter 9(215-235): Molecular Structure of DNA and RNA
Molecular Genetics: the study of DNA structure and function at the molecular level
relationship between structure and function find relationship between expression
DNA(deoxyribonucleic acid) & RNA (r
Chapter 10(239-257): Chromosome Organization & Molecular Structure
Chromosomes: the structures w/in living cells that contain the genetic material (genes are physically located w/in the
structure of chromosomes)
chromosomes contain a very long segment of
A gene is inducible and under negative control. Which of the following pairs will allow expression of this
A. Activator + repressor
B. Activator + inhibitor
C. Repressor + inducer
D. Repressor + co-repressor
An activator is prese
Small circular pieces of bacterial DNA that are used as vectors in cloning experiments are called
A plasmid that contains separate origins of replication for two different species is ca
The basic unit of heredity is the
E. None of the answers are correct
A variation of a gene is called a(n)
Which of the following a
In a disease that is caused by a single gene, the concordance among monozygotic twins should be
In a disease that is associated with a single recessive allele, the concordance among dizygotic twins
Genes that are not required for survival, but are likely to be beneficial to the organism, are called
A. essential genes
B. lethal alleles
C. semilethal alleles
D. nonessential genes
E. conditional lethal alleles
Most biologists consider viruses to be living organisms, which are classified with bacteria.
A bacteriophage that is physically integrated into the host chromosome is called a