Question 1

The Human Genome Project,which got underway in 1990,is an international effort to ________.

Accepted Answer

A)  construct a physical map of the billions of base pairs in the human genome
B)  collect samples of cells from all parts of the world in order to preserve human genetic diversity
C)  collect plant seeds in order to reduce the impact of human activity on plant extinction
D)  clone deleterious genes from humans and study their mode of action
E)  clone beneficial genes from humans for eventual use in gene therapy A

Question 2

Sequencing the dog genome has indicated that a single locus on chromosome 15 may play a major role in genetically distinguishing large dog breeds from small dog breeds.

Accepted Answer

A) True 
 B)False  True

Question 3

The Human Genome Project is an international effort to construct a physical map sequence of the approximately 3 billion base pairs in the haploid human genome.

Accepted Answer

A) True 
 B)False  True

Question 4

What is meant by the term low gene density? Give an example of an organism with low gene density.

Accepted Answer

The answer of What is meant by the term low...

Question 5

The term paralog is often used in conjunction with discussions of hemoglobin genes.What does this term mean,and how does it apply to hemoglobin genes?

Accepted Answer

The answer of The term paralog is often used in...

Question 6

Which two factors contribute significantly to the wide ranges of genome size among eukaryotes?

Accepted Answer

The answer of Which two factors contribute significantly to the...

Question 7

The dog (Canis familiaris)genome has recently been sequenced.About how many of the dog's genes are shared with humans?

Accepted Answer

The answer of The dog (Canis familiaris)genome has recently been...

Question 8

Introns are found only in prokaryotic genomes.

Accepted Answer

A) True 
 B)False

Question 9

What is ELSI?

Accepted Answer

The answer of What is ELSI?...

Question 10

Numerous scientists around the world have proposed to sequence 10,000 vertebrate genomes in five years.What is the name of this plan?

Accepted Answer

A)  Genome 10K
B)  Bigger Than Life Plan
C)  10K or Bust
D)  Vertebrate Beginnings
E)  Vertebrate Enlightenment

Question 11

Multigene families are characterized by clusters of tandemly arranged unique pseudogenes organized as operons.

Accepted Answer

A) True 
 B)False

Question 12

The human genome contains approximately 20,000 protein-coding genes,yet it has the capacity to produce several hundred thousand gene products.What can account for the vast difference in gene number and product number?

Accepted Answer

A)  Alternative splicing occurs.
B)  There are more introns than exons.
C)  There are more exons than introns.
D)  Much of the DNA is in the form of trinucleotide repeats,thus allowing multiple start sites for different genes.
E)  Every gene can be read in both directions,and each gene can have inversions and translocations.

Question 13

The genomic organization of all living creatures is identical.

Accepted Answer

A) True 
 B)False

Question 14

Most of the bacterial genomes described in the text have fewer than ________.

Accepted Answer

A)  10,000 genes
B)  5000 base pairs
C)  500 genes
D)  10,000 base pairs
E)  50 genes

Question 15

There is a general inverse relationship between DNA content and organismic complexity.

Accepted Answer

A) True 
 B)False

Question 16

Name the two strategic methods that scientists are using to sequence genomes.

Accepted Answer

The answer of Name the two strategic methods that scientists...

Question 17

What is meant by the term pseudogene?

Accepted Answer

The answer of What is meant by the term pseudogene?...

Question 18

Bacterial genes have introns,and eukaryotic genes lack introns.

Accepted Answer

A) True 
 B)False

Question 19

Archaea (formerly known as archaebacteria)is one of the three major divisions of living organisms; the other two are eubacteria and eukaryotes.Nanoarchaeum equitans is in the Archaea domain and has one of the smallest genomes known,about 0.5 Mb.How can an organism complete its life cycle with so little genetic material?

Accepted Answer

The answer of Archaea (formerly known as archaebacteria)is one of...

Question 20

Intron frequency varies considerably among eukaryotes.Provide a general comparison of intron frequencies in yeast and humans.What about intron size?

Accepted Answer

The answer of Intron frequency varies considerably among eukaryotes.Provide a...

Exam 18: Genomics,Bioinformatics,and Proteomics

The Human Genome Project,which got underway in 1990,is an international effort to ________.

Sequencing the dog genome has indicated that a single locus on chromosome 15 may play a major role in genetically distinguishing large dog breeds from small dog breeds.

The Human Genome Project is an international effort to construct a physical map sequence of the approximately 3 billion base pairs in the haploid human genome.

What is meant by the term low gene density? Give an example of an organism with low gene density.

The term paralog is often used in conjunction with discussions of hemoglobin genes.What does this term mean,and how does it apply to hemoglobin genes?

Which two factors contribute significantly to the wide ranges of genome size among eukaryotes?

The dog (Canis familiaris)genome has recently been sequenced.About how many of the dog's genes are shared with humans?

Introns are found only in prokaryotic genomes.

What is ELSI?

Numerous scientists around the world have proposed to sequence 10,000 vertebrate genomes in five years.What is the name of this plan?

Multigene families are characterized by clusters of tandemly arranged unique pseudogenes organized as operons.

The human genome contains approximately 20,000 protein-coding genes,yet it has the capacity to produce several hundred thousand gene products.What can account for the vast difference in gene number and product number?

The genomic organization of all living creatures is identical.

Most of the bacterial genomes described in the text have fewer than ________.

There is a general inverse relationship between DNA content and organismic complexity.

Name the two strategic methods that scientists are using to sequence genomes.

What is meant by the term pseudogene?

Bacterial genes have introns,and eukaryotic genes lack introns.

Intron frequency varies considerably among eukaryotes.Provide a general comparison of intron frequencies in yeast and humans.What about intron size?