Question 1

The law of independent assortment states that

Accepted Answer

A) characters are blended in hybrid offspring. 
B) purple flowered plants will never produce white flowered offspring. 
C) the allele passed down to the next generation at one locus is independent of the allele passed down at a second locus. 
D) alleles from two separate loci, once combined in a hybrid, cannot be separated in future reproductive events. 
E) all individuals have more than two copies of every gene. 
A) characters are blended in hybrid offspring. 
B) purple flowered plants will never produce white flowered offspring. 
C) the allele passed down to the next generation at one locus is independent of the allele passed down at a second locus. 
D) alleles from two separate loci, once combined in a hybrid, cannot be separated in future reproductive events. 
E) all individuals have more than two copies of every gene.

Question 2

Before pre-mRNA is converted to mRNA,a process known as _________ occurs.

Accepted Answer

The answer of Before pre-mRNA is converted to mRNA,a process...

Question 3

List the five functions of proteins.

Accepted Answer

Enzyme,cell signalin

Question 4

In a _________ mutation,part of a chromosome is transferred to a nonhomologous chromosome.

Accepted Answer

A) deletion 
B) inversion 
C) translocation 
D) fission 
E) fusion 
A) deletion 
B) inversion 
C) translocation 
D) fission 
E) fusion

Question 5

A researcher follows the mutation rates in the nematode Caenorhabditis elegans in five different tissue types across 300 generations.One would expect mutation rates across the different tissue types to be

Accepted Answer

A) equal. 
B) approximately equal. 
C) different. 
D) deleterious. 
E) None of the above 
A) equal. 
B) approximately equal. 
C) different. 
D) deleterious. 
E) None of the above

Question 6

What protein is used to organize DNA within a chromosome?

Accepted Answer

The answer of What protein is used to organize DNA...

Question 7

A plant inherits a regulatory element that increases the production of red pigment in its flowers.This type of regulatory element is known as an _________.

Accepted Answer

The answer of A plant inherits a regulatory element that...

Question 8

If the wrong protein is produced,it may

Accepted Answer

A) affect DNA expression. 
B) alter cellular structure. 
C) influence development. 
D) A and B 
E) All of the above 
A) affect DNA expression. 
B) alter cellular structure. 
C) influence development. 
D) A and B 
E) All of the above

Question 9

Identify the three most common parts of a protein-coding eukaryotic gene.

Accepted Answer

Promoter,e

Question 10

Crossing-over requires

Accepted Answer

A) the physical exchange of parts of homologous chromosomes. 
B) independent assortment. 
C) the fusion of gametes to restore the diploid number of chromosomes. 
D) A and B 
E) None of the above 
A) the physical exchange of parts of homologous chromosomes. 
B) independent assortment. 
C) the fusion of gametes to restore the diploid number of chromosomes. 
D) A and B 
E) None of the above

Question 11

You discover a new type of cell in a soil sample collected nearby.Upon microscopic examination,you observe that it possesses a single circular chromosome.From this,you conclude that it is probably a(n)

Accepted Answer

A) animal cell. 
B) plant cell. 
C) eukaryotic cell. 
D) A and C 
E) None of the above 
A) animal cell. 
B) plant cell. 
C) eukaryotic cell. 
D) A and C 
E) None of the above

Question 12

RNA that directs protein synthesis is called

Accepted Answer

A) ribosomal RNA. 
B) microRNA. 
C) messenger RNA. 
D) transfer RNA. 
E) translation RNA. 
A) ribosomal RNA. 
B) microRNA. 
C) messenger RNA. 
D) transfer RNA. 
E) translation RNA.

Question 13

The observation that hybrid offspring of true breeding purple and white flowered plants are purple in color can be explained by the

Accepted Answer

A) dominance of the purple color. 
B) blending of parental characters. 
C) law of independent segregation. 
D) dominance of the white color. 
E) A and D 
A) dominance of the purple color. 
B) blending of parental characters. 
C) law of independent segregation. 
D) dominance of the white color. 
E) A and D

Question 14

Mendel's law of segregation states that

Accepted Answer

A) each diploid individual has two copies of every gene. 
B) only one copy of each gene is found in a gamete. 
C) traits from each parent are permanently blended in offspring. 
D) A and B 
E) None of the above 
A) each diploid individual has two copies of every gene. 
B) only one copy of each gene is found in a gamete. 
C) traits from each parent are permanently blended in offspring. 
D) A and B 
E) None of the above

Question 15

If an RR flower is red,an Rr flower is pink,and an rr flower is white,what percentage of the offspring from a cross between an RR individual and an Rr individual will be red?

Accepted Answer

A) 0 
B) 25 
C) 50 
D) 75 
E) 100 
A) 0 
B) 25 
C) 50 
D) 75 
E) 100

Question 16

Proteins consist of long strings of

Accepted Answer

A) deoxyribonucleic acid. 
B) ribonucleic acid. 
C) mRNA. 
D) codons. 
E) amino acids. 
A) deoxyribonucleic acid. 
B) ribonucleic acid. 
C) mRNA. 
D) codons. 
E) amino acids.

Question 17

RNA was likely replaced by DNA as the genetic molecule in most organisms because

Accepted Answer

A) RNA is less stable than DNA. 
B) RNA has a higher chemical stability. 
C) RNA errors are more easily corrected than DNA errors. 
D) A and C 
E) All of the above 
A) RNA is less stable than DNA. 
B) RNA has a higher chemical stability. 
C) RNA errors are more easily corrected than DNA errors. 
D) A and C 
E) All of the above

Question 18

Which of the following statements regarding the difference between RNA and DNA is true?

Accepted Answer

A) Only RNA uses guanine. 
B) Only RNA uses cytosine. 
C) Only RNA uses adenine. 
D) Only RNA uses uracil. 
E) Only RNA uses thymine. 
A) Only RNA uses guanine. 
B) Only RNA uses cytosine. 
C) Only RNA uses adenine. 
D) Only RNA uses uracil. 
E) Only RNA uses thymine.

Question 19

The hypothesis that eukaryotic organelles are derived from once free living prokaryotes is known as the

Accepted Answer

A) prokaryote origins hypothesis. 
B) organelle hypothesis. 
C) hybrid hypothesis. 
D) endosymbiosis hypothesis. 
E) early life hypothesis. 
A) prokaryote origins hypothesis. 
B) organelle hypothesis. 
C) hybrid hypothesis. 
D) endosymbiosis hypothesis. 
E) early life hypothesis.

Question 20

By what process does the cell construct proteins from RNA sequences?

Accepted Answer

A) Transcription 
B) Hydrogen bonds 
C) Splicing 
D) Translation 
E) Crossing-over 
A) Transcription 
B) Hydrogen bonds 
C) Splicing 
D) Translation 
E) Crossing-over

The law of independent assortment states that

Before pre-mRNA is converted to mRNA,a process known as _________ occurs.

List the five functions of proteins.

In a _________ mutation,part of a chromosome is transferred to a nonhomologous chromosome.

A researcher follows the mutation rates in the nematode Caenorhabditis elegans in five different tissue types across 300 generations.One would expect mutation rates across the different tissue types to be

What protein is used to organize DNA within a chromosome?

A plant inherits a regulatory element that increases the production of red pigment in its flowers.This type of regulatory element is known as an _________.

If the wrong protein is produced,it may

Identify the three most common parts of a protein-coding eukaryotic gene.

Crossing-over requires

You discover a new type of cell in a soil sample collected nearby.Upon microscopic examination,you observe that it possesses a single circular chromosome.From this,you conclude that it is probably a(n)

RNA that directs protein synthesis is called

The observation that hybrid offspring of true breeding purple and white flowered plants are purple in color can be explained by the

Mendel's law of segregation states that

If an RR flower is red,an Rr flower is pink,and an rr flower is white,what percentage of the offspring from a cross between an RR individual and an Rr individual will be red?

Proteins consist of long strings of

RNA was likely replaced by DNA as the genetic molecule in most organisms because

Which of the following statements regarding the difference between RNA and DNA is true?

The hypothesis that eukaryotic organelles are derived from once free living prokaryotes is known as the

By what process does the cell construct proteins from RNA sequences?

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

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Exam 6: Transmission Genetics and the Sources of Genetic Variation

The law of independent assortment states that

Before pre-mRNA is converted to mRNA,a process known as _________ occurs.

List the five functions of proteins.

In a _________ mutation,part of a chromosome is transferred to a nonhomologous chromosome.

A researcher follows the mutation rates in the nematode Caenorhabditis elegans in five different tissue types across 300 generations.One would expect mutation rates across the different tissue types to be

What protein is used to organize DNA within a chromosome?

A plant inherits a regulatory element that increases the production of red pigment in its flowers.This type of regulatory element is known as an _________.

If the wrong protein is produced,it may

Identify the three most common parts of a protein-coding eukaryotic gene.

Crossing-over requires

You discover a new type of cell in a soil sample collected nearby.Upon microscopic examination,you observe that it possesses a single circular chromosome.From this,you conclude that it is probably a(n)

RNA that directs protein synthesis is called

The observation that hybrid offspring of true breeding purple and white flowered plants are purple in color can be explained by the

Mendel's law of segregation states that

If an RR flower is red,an Rr flower is pink,and an rr flower is white,what percentage of the offspring from a cross between an RR individual and an Rr individual will be red?

Proteins consist of long strings of

RNA was likely replaced by DNA as the genetic molecule in most organisms because

Which of the following statements regarding the difference between RNA and DNA is true?

The hypothesis that eukaryotic organelles are derived from once free living prokaryotes is known as the

By what process does the cell construct proteins from RNA sequences?

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