Question 1

Transposons can be deleterious to a host genome because they can

Accepted Answer

A) disrupt a protein coding sequence. 
B) disrupt regulatory elements. 
C) generate mutations. 
D) cause recombination errors. 
E) All of the above 
A) disrupt a protein coding sequence. 
B) disrupt regulatory elements. 
C) generate mutations. 
D) cause recombination errors. 
E) All of the above E

Question 2

Viral genomes

Accepted Answer

A) may consist of DNA. 
B) may consist of RNA. 
C) may be linear. 
D) may be circular. 
E) All of the above 
A) may consist of DNA. 
B) may consist of RNA. 
C) may be linear. 
D) may be circular. 
E) All of the above E

Question 3

How many inversions can be inferred from the following syntenic dot plot?

Accepted Answer

A) One 
B) Two 
C) Three 
D) Four 
E) Five 
A) One 
B) Two 
C) Three 
D) Four 
E) Five B

Question 4

A bacteriophage was the first organism to have its genome sequenced.Sequencing of this genome was facilitated by

Accepted Answer

A) its complex genome. 
B) its short genome. 
C) previous studies of bacterial genomes. 
D) A and C 
E) All of the above 
A) its complex genome. 
B) its short genome. 
C) previous studies of bacterial genomes. 
D) A and C 
E) All of the above

Question 5

Under the neutral model,allele frequency distributions are driven by

Accepted Answer

A) the effective population size. 
B) the mutation rate. 
C) selection. 
D) A and B 
E) None of the above 
A) the effective population size. 
B) the mutation rate. 
C) selection. 
D) A and B 
E) None of the above

Question 6

Horizontal gene transfer

Accepted Answer

A) is also known as lateral gene transfer. 
B) occurs via transduction. 
C) occurs via transformation. 
D) occurs via conjugation. 
E) All of the above 
A) is also known as lateral gene transfer. 
B) occurs via transduction. 
C) occurs via transformation. 
D) occurs via conjugation. 
E) All of the above

Question 7

When comparing recombination rates between a dog,with a genome size of 2410 Mb,and a mustard weed,with a genome size of 100 Mb,which would you expect to have a larger recombination rate per kilobase? Explain your answer.

Accepted Answer

Recombination rate per kb is n

Question 8

Factors that contribute to overall genome size include

Accepted Answer

A) small genetic elements capable of self-catalyzing their movement. 
B) selection on cell size. 
C) selection on replication speed. 
D) A and B 
E) All of the above 
A) small genetic elements capable of self-catalyzing their movement. 
B) selection on cell size. 
C) selection on replication speed. 
D) A and B 
E) All of the above

Question 9

The G-value paradox states that

Accepted Answer

A) genome size does not correlate with organismal complexity. 
B) the number of protein coding sequences does not correlate with organismal complexity. 
C) genome size does not correlate with the number of protein coding sequences. 
D) B and C 
E) All of the above 
A) genome size does not correlate with organismal complexity. 
B) the number of protein coding sequences does not correlate with organismal complexity. 
C) genome size does not correlate with the number of protein coding sequences. 
D) B and C 
E) All of the above

Question 10

In the figure below,what is the range of genome size for protozoa? What does this tell us about the relationship between genome size and organismal complexity?

Accepted Answer

Protozoans have genome sizes that range

Question 11

In a 100 bp stretch of a gene,a researcher counts 25 nonsynonymous substitutions,30 synonymous substitutions,and 65 nonsynonymous sites.What type of selection is operating on this gene sequence? Show your work.

Accepted Answer

Ka = 25/65 = 0.385,K

Question 12

While sequencing a bacterial genome,a researcher notes that G is more common on the leading strand than the lagging strand.This is an example of what phenomenon?

Accepted Answer

The answer of While sequencing a bacterial genome,a researcher notes...

Question 13

Refer to the figure below to answer the following question.A researcher discovers a new bacteria whose genome is ~8 Mb in size.What type of bacteria is this likely to be?

Accepted Answer

A) Free-living 
B) Obligate parasite 
C) Obligate symbiont 
D) Any of the above 
E) Cannot be determined from the information provided 
A) Free-living 
B) Obligate parasite 
C) Obligate symbiont 
D) Any of the above 
E) Cannot be determined from the information provided

Question 14

In the figure below,a double crossing-over event occurs between the Alu elements.How does this event illustrate a means by which introns generate genetic diversity?

Accepted Answer

This figure depicts how crossi

Question 15

Consider two species,one of which has an effective population size that is five orders of magnitude greater than the other.In which species would you expect to see a smaller genome size? Explain your reasoning.

Accepted Answer

The species with the larger effective po

Question 16

Syntenic dot plots are useful when

Accepted Answer

A) comparing gene orders in prokaryotes. 
B) identifying inversions. 
C) examining genomic evolution. 
D) A and B 
E) All of the above 
A) comparing gene orders in prokaryotes. 
B) identifying inversions. 
C) examining genomic evolution. 
D) A and B 
E) All of the above

Question 17

When examining the recombination rate across a chromosome,a researcher detects an area of high recombination rates.What could she infer based on this observation?

Accepted Answer

A) This region is likely the centromere. 
B) This region is likely a telomere. 
C) This region is likely an isochore. 
D) This region is in a protein coding gene. 
E) None of the above 
A) This region is likely the centromere. 
B) This region is likely a telomere. 
C) This region is likely an isochore. 
D) This region is in a protein coding gene. 
E) None of the above

Question 18

Why are transposons considered selfish genetic elements?

Accepted Answer

Transposons usually do not per

Question 19

Recombination rates across a chromosome

Accepted Answer

A) are highly variable. 
B) are large in recombination hotspots. 
C) are nearly equal. 
D) A and B 
E) None of the above 
A) are highly variable. 
B) are large in recombination hotspots. 
C) are nearly equal. 
D) A and B 
E) None of the above

Question 20

In the syntenic dot plot of E.coli K-12 strains A and B,there are two circled dots in the lower right corner of the plot.How do you interpret the position of these two dots in terms of the gene orders of the two strains?

Accepted Answer

This indicates that two genes

Transposons can be deleterious to a host genome because they can

Viral genomes

How many inversions can be inferred from the following syntenic dot plot?

A bacteriophage was the first organism to have its genome sequenced.Sequencing of this genome was facilitated by

Under the neutral model,allele frequency distributions are driven by

Horizontal gene transfer

When comparing recombination rates between a dog,with a genome size of 2410 Mb,and a mustard weed,with a genome size of 100 Mb,which would you expect to have a larger recombination rate per kilobase? Explain your answer.

Factors that contribute to overall genome size include

The G-value paradox states that

In the figure below,what is the range of genome size for protozoa? What does this tell us about the relationship between genome size and organismal complexity?

In a 100 bp stretch of a gene,a researcher counts 25 nonsynonymous substitutions,30 synonymous substitutions,and 65 nonsynonymous sites.What type of selection is operating on this gene sequence? Show your work.

While sequencing a bacterial genome,a researcher notes that G is more common on the leading strand than the lagging strand.This is an example of what phenomenon?

Refer to the figure below to answer the following question.A researcher discovers a new bacteria whose genome is ~8 Mb in size.What type of bacteria is this likely to be?

In the figure below,a double crossing-over event occurs between the Alu elements.How does this event illustrate a means by which introns generate genetic diversity?

Consider two species,one of which has an effective population size that is five orders of magnitude greater than the other.In which species would you expect to see a smaller genome size? Explain your reasoning.

Syntenic dot plots are useful when

When examining the recombination rate across a chromosome,a researcher detects an area of high recombination rates.What could she infer based on this observation?

Why are transposons considered selfish genetic elements?

Recombination rates across a chromosome

In the syntenic dot plot of E.coli K-12 strains A and B,there are two circled dots in the lower right corner of the plot.How do you interpret the position of these two dots in terms of the gene orders of the two strains?

An Overview of Evolutionary Biology

Early Evolutionary Ideas and Darwins Insight

Natural Selection

Phylogeny and Evolutionary History

Inferring Phylogeny

Transmission Genetics and the Sources of Genetic Variation

The Genetics of Populations

Evolution in Finite Populations

Evolution at Multiple Loci

The Origin and Evolution of Early Life

Major Transitions

Evolution and Development

Species and Speciation

Extinction and Evolutionary Trends

The Evolution of Sex

Sexual Selection

The Evolution of Sociality

Coevolution

Evolution and Medicine

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Exam 10: Genome Evolution

Transposons can be deleterious to a host genome because they can

Viral genomes

How many inversions can be inferred from the following syntenic dot plot?

A bacteriophage was the first organism to have its genome sequenced.Sequencing of this genome was facilitated by

Under the neutral model,allele frequency distributions are driven by

Horizontal gene transfer

When comparing recombination rates between a dog,with a genome size of 2410 Mb,and a mustard weed,with a genome size of 100 Mb,which would you expect to have a larger recombination rate per kilobase? Explain your answer.

Factors that contribute to overall genome size include

The G-value paradox states that

In the figure below,what is the range of genome size for protozoa? What does this tell us about the relationship between genome size and organismal complexity?

In a 100 bp stretch of a gene,a researcher counts 25 nonsynonymous substitutions,30 synonymous substitutions,and 65 nonsynonymous sites.What type of selection is operating on this gene sequence? Show your work.

While sequencing a bacterial genome,a researcher notes that G is more common on the leading strand than the lagging strand.This is an example of what phenomenon?

Refer to the figure below to answer the following question.A researcher discovers a new bacteria whose genome is ~8 Mb in size.What type of bacteria is this likely to be?

In the figure below,a double crossing-over event occurs between the Alu elements.How does this event illustrate a means by which introns generate genetic diversity?

Consider two species,one of which has an effective population size that is five orders of magnitude greater than the other.In which species would you expect to see a smaller genome size? Explain your reasoning.

Syntenic dot plots are useful when

When examining the recombination rate across a chromosome,a researcher detects an area of high recombination rates.What could she infer based on this observation?

Why are transposons considered selfish genetic elements?

Recombination rates across a chromosome

In the syntenic dot plot of E.coli K-12 strains A and B,there are two circled dots in the lower right corner of the plot.How do you interpret the position of these two dots in terms of the gene orders of the two strains?

An Overview of Evolutionary Biology

Early Evolutionary Ideas and Darwins Insight

Natural Selection

Phylogeny and Evolutionary History

Inferring Phylogeny

Transmission Genetics and the Sources of Genetic Variation

The Genetics of Populations

Evolution in Finite Populations

Evolution at Multiple Loci

The Origin and Evolution of Early Life

Major Transitions

Evolution and Development

Species and Speciation

Extinction and Evolutionary Trends

The Evolution of Sex

Sexual Selection

The Evolution of Sociality

Coevolution

Evolution and Medicine

Filters