Question 1

How many copies of each chromosome will a tetraploid organism have?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 8 
E) 10 
A) 1 
B) 2 
C) 4 
D) 8 
E) 10 C

Question 2

How many cross-over events are depicted in the following figure?

Accepted Answer

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

Question 3

In a tetraploid animal,how many copies of each homologous chromosome will be found in its gametes following meiosis?

Accepted Answer

Two

Question 4

If a change in allele frequency at one locus does not result in the change in allele frequency at a second locus,these loci probably

Accepted Answer

A) support Mendel's law of segregation. 
B) are unlinked. 
C) support Darwin's view of heredity. 
D) are dominant. 
E) None of the above 
A) support Mendel's law of segregation. 
B) are unlinked. 
C) support Darwin's view of heredity. 
D) are dominant. 
E) None of the above

Question 5

DNA is tightly wound in a double helix for much of the time.Which of the following enzymes unwinds the double helix and begins transcription of RNA?

Accepted Answer

A) RNA polymerase 
B) DNA polymerase 
C) Transcriptase 
D) RNA isomerase 
E) Complementary isomerase 
A) RNA polymerase 
B) DNA polymerase 
C) Transcriptase 
D) RNA isomerase 
E) Complementary isomerase

Question 6

Many trans-acting regulatory elements reside on a separate chromosome from the genes that they regulate.In such cases,the regulatory element is _________,relative to the gene.

Accepted Answer

A) unlinked 
B) linked 
C) dominant 
D) recessive 
E) codominant 
A) unlinked 
B) linked 
C) dominant 
D) recessive 
E) codominant

Question 7

Which of the mutations in the figure below depicts a nonsense mutation?

Accepted Answer

A) Mutation A 
B) Mutation B 
C) Mutation C 
D) A nonsense mutation is not pictured 
A) Mutation A 
B) Mutation B 
C) Mutation C 
D) A nonsense mutation is not pictured

Question 8

After following populations of E.coli for 1150 generations,Sandra Trindale and her colleagues noted that most mutations are _________.

Accepted Answer

The answer of After following populations of E.coli for 1150...

Question 9

Which position in a codon is most likely to contribute to the degeneracy of the genetic code?

Accepted Answer

A) First 
B) Second 
C) Third 
D) Any position 
E) No position 
A) First 
B) Second 
C) Third 
D) Any position 
E) No position

Question 10

DNA molecules can be very long.To better pack them into cells,DNA is often

Accepted Answer

A) reduced to a single strand. 
B) coiled around proteins. 
C) broken into smaller molecules. 
D) equally divided between neighboring cells. 
E) None of the above 
A) reduced to a single strand. 
B) coiled around proteins. 
C) broken into smaller molecules. 
D) equally divided between neighboring cells. 
E) None of the above

Question 11

Because RNA is a _________,it is more likely than DNA to get damaged during chemical reactions.

Accepted Answer

The answer of Because RNA is a _________,it is more...

Question 12

_________ are DNA triplets that specify a protein's amino acid sequence.

Accepted Answer

The answer of _________ are DNA triplets that specify a...

Question 13

Stretches of a gene that code for protein products are known as

Accepted Answer

A) mRNA. 
B) introns. 
C) exons. 
D) codons. 
E) None of the above 
A) mRNA. 
B) introns. 
C) exons. 
D) codons. 
E) None of the above

Question 14

DNA

Accepted Answer

A) is a polymer composed primarily of repeating five carbon sugars. 
B) contains four types of nitrogenous bases. 
C) consists of two strands connected by hydrogen bonds. 
D) A and C 
E) All of the above 
A) is a polymer composed primarily of repeating five carbon sugars. 
B) contains four types of nitrogenous bases. 
C) consists of two strands connected by hydrogen bonds. 
D) A and C 
E) All of the above

Question 15

Regulatory elements

Accepted Answer

A) are always found close to the gene they regulate. 
B) control the rate of mRNA production. 
C) are only found in animals. 
D) can be found using a Punnett square. 
E) have no effect on the phenotype. 
A) are always found close to the gene they regulate. 
B) control the rate of mRNA production. 
C) are only found in animals. 
D) can be found using a Punnett square. 
E) have no effect on the phenotype.

Question 16

All of the offspring from a cross between an RR plant and an rr plant will be

Accepted Answer

A) dominants. 
B) recessives. 
C) homozygotes. 
D) heterozygotes. 
E) None of the above 
A) dominants. 
B) recessives. 
C) homozygotes. 
D) heterozygotes. 
E) None of the above

Question 17

How many different amino acids can be used in the construction of proteins?

Accepted Answer

The answer of How many different amino acids can be...

Question 18

Use the figure below to determine which of the following amino acid sequences would be generated from the RNA sequence: CGA GGC UUA ACG.

Accepted Answer

A) arginine; glycine; leucine; threonine 
B) arginine; glycine; phenylalanine; threonine 
C) proline; glycine; leucine; threonine 
D) proline; glycine; leucine; serine 
E) None of the above 
A) arginine; glycine; leucine; threonine 
B) arginine; glycine; phenylalanine; threonine 
C) proline; glycine; leucine; threonine 
D) proline; glycine; leucine; serine 
E) None of the above

Question 19

The double strands of DNA separate from each other at high temperatures.Why do G-C rich strands of DNA require a relatively higher temperature to separate?

Accepted Answer

Because three hydrog

Question 20

Mutations occur _________ with respect to fitness.

Accepted Answer

The answer of Mutations occur _________ with respect to fitness....

How many copies of each chromosome will a tetraploid organism have?

How many cross-over events are depicted in the following figure?

In a tetraploid animal,how many copies of each homologous chromosome will be found in its gametes following meiosis?

If a change in allele frequency at one locus does not result in the change in allele frequency at a second locus,these loci probably

DNA is tightly wound in a double helix for much of the time.Which of the following enzymes unwinds the double helix and begins transcription of RNA?

Many trans-acting regulatory elements reside on a separate chromosome from the genes that they regulate.In such cases,the regulatory element is _________,relative to the gene.

Which of the mutations in the figure below depicts a nonsense mutation?

After following populations of E.coli for 1150 generations,Sandra Trindale and her colleagues noted that most mutations are _________.

Which position in a codon is most likely to contribute to the degeneracy of the genetic code?

DNA molecules can be very long.To better pack them into cells,DNA is often

Because RNA is a _________,it is more likely than DNA to get damaged during chemical reactions.

_________ are DNA triplets that specify a protein's amino acid sequence.

Stretches of a gene that code for protein products are known as

DNA

Regulatory elements

All of the offspring from a cross between an RR plant and an rr plant will be

How many different amino acids can be used in the construction of proteins?

Use the figure below to determine which of the following amino acid sequences would be generated from the RNA sequence: CGA GGC UUA ACG.

The double strands of DNA separate from each other at high temperatures.Why do G-C rich strands of DNA require a relatively higher temperature to separate?

Mutations occur _________ with respect to fitness.

An Overview of Evolutionary Biology

Early Evolutionary Ideas and Darwins Insight

Natural Selection

Phylogeny and Evolutionary History

Inferring Phylogeny

The Genetics of Populations

Evolution in Finite Populations

Evolution at Multiple Loci

Genome Evolution

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

Exam 6: Transmission Genetics and the Sources of Genetic Variation

How many copies of each chromosome will a tetraploid organism have?

How many cross-over events are depicted in the following figure?

In a tetraploid animal,how many copies of each homologous chromosome will be found in its gametes following meiosis?

If a change in allele frequency at one locus does not result in the change in allele frequency at a second locus,these loci probably

DNA is tightly wound in a double helix for much of the time.Which of the following enzymes unwinds the double helix and begins transcription of RNA?

Many trans-acting regulatory elements reside on a separate chromosome from the genes that they regulate.In such cases,the regulatory element is _________,relative to the gene.

Which of the mutations in the figure below depicts a nonsense mutation?

After following populations of E.coli for 1150 generations,Sandra Trindale and her colleagues noted that most mutations are _________.

Which position in a codon is most likely to contribute to the degeneracy of the genetic code?

DNA molecules can be very long.To better pack them into cells,DNA is often

Because RNA is a _________,it is more likely than DNA to get damaged during chemical reactions.

_________ are DNA triplets that specify a protein's amino acid sequence.

Stretches of a gene that code for protein products are known as

DNA

Regulatory elements

All of the offspring from a cross between an RR plant and an rr plant will be

How many different amino acids can be used in the construction of proteins?

Use the figure below to determine which of the following amino acid sequences would be generated from the RNA sequence: CGA GGC UUA ACG.

The double strands of DNA separate from each other at high temperatures.Why do G-C rich strands of DNA require a relatively higher temperature to separate?

Mutations occur _________ with respect to fitness.

An Overview of Evolutionary Biology

Early Evolutionary Ideas and Darwins Insight

Natural Selection

Phylogeny and Evolutionary History

Inferring Phylogeny

The Genetics of Populations

Evolution in Finite Populations

Evolution at Multiple Loci

Genome Evolution

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