Question 1

Mutations only occur in body cells.

Accepted Answer

A) True 
 B)False  False

Question 2

MATCHING
Match the associated terms.
-unpaired electrons

Accepted Answer

A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence 
A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence E

Question 3

Epigenetic modifications alter the regulation of gene expression.

Accepted Answer

A) True 
 B)False  True

Question 4

Frameshift mutations

Accepted Answer

A)  cause a change in the reading frame of mRNA codons. 
B)  are usually caused by base analogs. 
C)  usually occur because of radiation exposure. 
D)  cause a single amino acid change in the polypeptide chain. 
E)  are usually the result of damage caused by free radicals. 
A)  cause a change in the reading frame of mRNA codons. 
B)  are usually caused by base analogs. 
C)  usually occur because of radiation exposure. 
D)  cause a single amino acid change in the polypeptide chain. 
E)  are usually the result of damage caused by free radicals.

Question 5

Epigenetics involves changes in

Accepted Answer

A)  the sequence of DNA. 
B)  the expression of genes. 
C)  the base pairing in the DNA helix. 
D)  DNA repair systems. 
E)  DNA replication. 
A)  the sequence of DNA. 
B)  the expression of genes. 
C)  the base pairing in the DNA helix. 
D)  DNA repair systems. 
E)  DNA replication.

Question 6

MATCHING
Match the associated terms.
-dormant cell

Accepted Answer

A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence 
A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence

Question 7

Chemicals found in some pesticides

Accepted Answer

A)  resemble the bases found in DNA. 
B)  can lead to frameshift mutations. 
C)  change the structure of DNA bases. 
D)  cause single-nucleotide substitution mutations. 
E)  cause mutations by binding to the DNA polymerase. 
A)  resemble the bases found in DNA. 
B)  can lead to frameshift mutations. 
C)  change the structure of DNA bases. 
D)  cause single-nucleotide substitution mutations. 
E)  cause mutations by binding to the DNA polymerase.

Question 8

MATCHING
Match the associated terms.
-unit of measure of radiation dose

Accepted Answer

A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence 
A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence

Question 9

For the average American,_____ of radiation dose is due to background radiation.

Accepted Answer

A)  19% 
B)  50% 
C)  70% 
D)  81% 
E)  99% 
A)  19% 
B)  50% 
C)  70% 
D)  81% 
E)  99%

Question 10

Gene promoters that are tightly wound around a histone complex are easily accessible for RNA polymerase.

Accepted Answer

A) True 
 B)False

Question 11

MATCHING
Match the associated terms.
-DNA polymerase

Accepted Answer

A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence 
A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence

Question 12

Mutations in germ cells are an underlying cause of many types of cancers.

Accepted Answer

A) True 
 B)False

Question 13

Beckwith-Wiedemann syndrome (BWS)is caused by

Accepted Answer

A)  abnormal genetic imprinting of two small clusters of genes on chromosome 11. 
B)  mutations in several genes on chromosome 11. 
C)  expression of only the maternal copies of all of the genes on chromosome 11. 
D)  expression of only the paternal copies of all of the genes on chromosome 11. 
E)  damage to chromosome 11 due to radiation exposure. 
A)  abnormal genetic imprinting of two small clusters of genes on chromosome 11. 
B)  mutations in several genes on chromosome 11. 
C)  expression of only the maternal copies of all of the genes on chromosome 11. 
D)  expression of only the paternal copies of all of the genes on chromosome 11. 
E)  damage to chromosome 11 due to radiation exposure.

Question 14

MATCHING
Match the associated terms.
-individual's complete genetic information

Accepted Answer

A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence 
A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence

Question 15

Each child is born with 65-70 newly-mutated genes.

Accepted Answer

A) True 
 B)False

Question 16

Explain the difference between mutations that occur in body cells compared to mutations that occur in germ cells.

Accepted Answer

A mutation in a body cell will be passed

Question 17

Methylation of cytosines in CpG sequences

Accepted Answer

A)  is the result of damage from free radicals. 
B)  does not affect gene expression. 
C)  is caused by base analogs. 
D)  leads to the insertion of extra base pairs in DNA. 
E)  can silence genes. 
A)  is the result of damage from free radicals. 
B)  does not affect gene expression. 
C)  is caused by base analogs. 
D)  leads to the insertion of extra base pairs in DNA. 
E)  can silence genes.

Question 18

Environmental mutagens include certain molecules found in

Accepted Answer

A)  cigarette smoke. 
B)  vehicle exhaust. 
C)  some plants. 
D)  some processed foods. 
E)  all of these. 
A)  cigarette smoke. 
B)  vehicle exhaust. 
C)  some plants. 
D)  some processed foods. 
E)  all of these.

Question 19

MATCHING
Match the associated terms.
-nucleosomes

Accepted Answer

A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence 
A) genome 
B) millirem 
C) apoptosis 
D) histones 
E) free radical
F)imprinting
G)proofreading
H)mutation
I)methylation
J)frameshift
K)senescence

Question 20

What is epigenetics? Describe two epigenetic modifications.What is the effect of epigenetic modifications on the DNA sequence?

Accepted Answer

Epigenetics is the study of heritable ch

Mutations only occur in body cells.

MATCHING Match the associated terms. -unpaired electrons

Epigenetic modifications alter the regulation of gene expression.

Frameshift mutations

Epigenetics involves changes in

MATCHING Match the associated terms. -dormant cell

Chemicals found in some pesticides

MATCHING Match the associated terms. -unit of measure of radiation dose

For the average American,_____ of radiation dose is due to background radiation.

Gene promoters that are tightly wound around a histone complex are easily accessible for RNA polymerase.

MATCHING Match the associated terms. -DNA polymerase

Mutations in germ cells are an underlying cause of many types of cancers.

Beckwith-Wiedemann syndrome (BWS)is caused by

MATCHING Match the associated terms. -individual's complete genetic information

Each child is born with 65-70 newly-mutated genes.

Explain the difference between mutations that occur in body cells compared to mutations that occur in germ cells.

Methylation of cytosines in CpG sequences

Environmental mutagens include certain molecules found in

MATCHING Match the associated terms. -nucleosomes

What is epigenetics? Describe two epigenetic modifications.What is the effect of epigenetic modifications on the DNA sequence?

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

How Genes Are Transmitted From Generation to Generation

Gene Expression and Gene Regulation

Biotechnology

Genetic Testing and Prenatal Diagnosis

DNA Forensics

Genomics

Inheritance of Complex Traits

Cancer and the Cell Cycle

Behavior

Immunogenetics

Genetics and Populations

Human Evolution

A Different World: The Past, Present, and Future of Human Genetics

Biology Basics 1-Cells and Cell Structure

Biology Basics 2-DNA and RNA

Biology Basics 3-Genes, Populations, and the Environment

Filters

Exam 6: Changes in DNA: Mutations and Epigenetics

Mutations only occur in body cells.

MATCHING Match the associated terms. -unpaired electrons

Epigenetic modifications alter the regulation of gene expression.

Frameshift mutations

Epigenetics involves changes in

MATCHING Match the associated terms. -dormant cell

Chemicals found in some pesticides

MATCHING Match the associated terms. -unit of measure of radiation dose

For the average American,_____ of radiation dose is due to background radiation.

Gene promoters that are tightly wound around a histone complex are easily accessible for RNA polymerase.

MATCHING Match the associated terms. -DNA polymerase

Mutations in germ cells are an underlying cause of many types of cancers.

Beckwith-Wiedemann syndrome (BWS)is caused by

MATCHING Match the associated terms. -individual's complete genetic information

Each child is born with 65-70 newly-mutated genes.

Explain the difference between mutations that occur in body cells compared to mutations that occur in germ cells.

Methylation of cytosines in CpG sequences

Environmental mutagens include certain molecules found in

MATCHING Match the associated terms. -nucleosomes

What is epigenetics? Describe two epigenetic modifications.What is the effect of epigenetic modifications on the DNA sequence?

Sex and Development

Assisted Reproductive Technology

Changes in Chromosome Number

How Genes Are Transmitted From Generation to Generation

Gene Expression and Gene Regulation

Biotechnology

Genetic Testing and Prenatal Diagnosis

DNA Forensics

Genomics

Inheritance of Complex Traits

Cancer and the Cell Cycle

Behavior

Immunogenetics

Genetics and Populations

Human Evolution

A Different World: The Past, Present, and Future of Human Genetics

Biology Basics 1-Cells and Cell Structure

Biology Basics 2-DNA and RNA

Biology Basics 3-Genes, Populations, and the Environment

Filters