Question 1

When considering the following figure,the top panel refers to _________ and the bottom panel refers to _________.

Accepted Answer

A) population-level thinking; individual-level thinking 
B) individual-level thinking; population-level thinking 
C) Yule-thinking; Mendel-thinking 
D) evolutionary thinking; ecological thinking 
E) geographic thinking; spatial thinking 
A) population-level thinking; individual-level thinking 
B) individual-level thinking; population-level thinking 
C) Yule-thinking; Mendel-thinking 
D) evolutionary thinking; ecological thinking 
E) geographic thinking; spatial thinking

Question 2

Pacific salmon hatch in streams and grow up out in the Pacific Ocean.At the end of their life,they mate once then die.Assuming that not all salmon survive life in the ocean and that those who do survive produce equal numbers of offspring,this would be an example of _________ selection.

Accepted Answer

The answer of Pacific salmon hatch in streams and grow...

Question 3

In the island model of migration,under what condition(s)will the allele frequencies in an island population be in Hardy-Weinberg equilibrium ?

Accepted Answer

The answer of In the island model of migration,under what...

Question 4

Mating preferences drive assortative mating

Accepted Answer

A) all of the time. 
B) none of the time. 
C) some of the time. 
D) every other time. 
E) in selfing plants. 
A) all of the time. 
B) none of the time. 
C) some of the time. 
D) every other time. 
E) in selfing plants.

Question 5

As the value of F increases,so does the frequency of

Accepted Answer

A) homozygotes. 
B) heterozygotes. 
C) dominant alleles. 
D) recessive alleles. 
E) None of the above 
A) homozygotes. 
B) heterozygotes. 
C) dominant alleles. 
D) recessive alleles. 
E) None of the above

Question 6

At an underdominant locus,how will allele frequencies change through time?

Accepted Answer

A) The homozygote with the greatest fitness advantage will have its allele fixed. 
B) A balanced polymorphism of both alleles will be maintained at a stable equilibrium. 
C) The homozygote with the lowest fitness advantage will have its allele lost. 
D) One or the other allele will be lost depending on their initial frequencies. 
E) Both alleles will be lost. 
A) The homozygote with the greatest fitness advantage will have its allele fixed. 
B) A balanced polymorphism of both alleles will be maintained at a stable equilibrium. 
C) The homozygote with the lowest fitness advantage will have its allele lost. 
D) One or the other allele will be lost depending on their initial frequencies. 
E) Both alleles will be lost.

Question 7

After one generation of inbreeding,one would expect to see a(n)_________ in heterozygotes but no change in _________ frequencies.

Accepted Answer

The answer of After one generation of inbreeding,one would expect...

Question 8

What is the term for the condition in which the heterozygote is more fit than either homozygote?

Accepted Answer

Overdomina

Question 9

Suppose the frequency of the A₁ allele is pᵢ = 0.4 on an island and pm = 0.8 on the mainland.If a fraction of the island population,k = .10,is replaced by migrants from the mainland each generation,what is the frequency of A₁ on the island after one generation of migration?

Accepted Answer

The answer of Suppose the frequency of the A₁ allele...

Question 10

Consider a biallelic locus with alleles A₁ and A₂.A₁ mutates to A₂ with a forward mutation rate of 0.0000025.A₂ mutates back to A₁ with a reverse mutation rate of 0.0000010.What will be the equilibrium frequency of the A₁ allele?

Accepted Answer

A) 0.0407 
B) 0.1298 
C) 0.1820 
D) 0.2857 
E) 0.3869 
A) 0.0407 
B) 0.1298 
C) 0.1820 
D) 0.2857 
E) 0.3869

Question 11

The null model for population genetics is

Accepted Answer

A) Newton's first law. 
B) the competitive exclusion model. 
C) cell theory. 
D) the endosymbiosis theory. 
E) the Hardy-Weinberg model. 
A) Newton's first law. 
B) the competitive exclusion model. 
C) cell theory. 
D) the endosymbiosis theory. 
E) the Hardy-Weinberg model.

Question 12

List five assumptions of the Hardy-Weinberg equilibrium.

Accepted Answer

Selection is not acting on the loci bein

Question 13

What phenomenon is represented in the following figure?

Accepted Answer

A) Overdominance 
B) Balancing selection 
C) Mutation-selection balance 
D) Back mutation 
E) Genetic drift 
A) Overdominance 
B) Balancing selection 
C) Mutation-selection balance 
D) Back mutation 
E) Genetic drift

Question 14

What is the frequency of homozygous individuals in a Hardy-Weinberg population that experiences inbreeding expressed in terms of the frequencies of alleles (p,q)and the value of F.

Accepted Answer

(p²+pqF)+

Question 15

If we follow a population through time and observe that allele frequencies change or genotypic frequencies change in this population,this may be because

Accepted Answer

A) the population size is small. 
B) mating is non-random. 
C) selection is operating on the locus. 
D) Any of the above 
A) the population size is small. 
B) mating is non-random. 
C) selection is operating on the locus. 
D) Any of the above

Question 16

Many early evolutionary biologists rejected Mendel's ideas because

Accepted Answer

A) they were not interested in peas. 
B) Punnett's conclusions contradicted Mendel's. 
C) heterozygote crosses yield a 2:2 ratio of genotypes. 
D) Hardy's conclusions contradicted Mendel's. 
E) None of the above 
A) they were not interested in peas. 
B) Punnett's conclusions contradicted Mendel's. 
C) heterozygote crosses yield a 2:2 ratio of genotypes. 
D) Hardy's conclusions contradicted Mendel's. 
E) None of the above

Question 17

Inbreeding depression is caused by

Accepted Answer

A) a reduction in fitness caused by deleterious recessives. 
B) random mating. 
C) mutation-selection balance. 
D) A and B 
E) All of the above 
A) a reduction in fitness caused by deleterious recessives. 
B) random mating. 
C) mutation-selection balance. 
D) A and B 
E) All of the above

Question 18

In pocket mice,possession of the D allele at the Mc1R locus confers dark coloration and homozygous d individuals are light in color.Why would one expect to see more D alleles in a population living on lava?

Accepted Answer

Because dd individuals would b

Question 19

Which of the following model organisms is not expected to achieve Hardy-Weinberg equilibrium?

Accepted Answer

A) Fruit fly 
B) Nematode worm 
C) Bacteria 
D) Mouse 
E) Zebrafish 
A) Fruit fly 
B) Nematode worm 
C) Bacteria 
D) Mouse 
E) Zebrafish

Question 20

Lifetime fitness,as demonstrated by Cummings et al.'s work on sunflowers,is dependent on what two components?

Accepted Answer

Survival a

When considering the following figure,the top panel refers to _ and the bottom panel refers to _.

Pacific salmon hatch in streams and grow up out in the Pacific Ocean.At the end of their life,they mate once then die.Assuming that not all salmon survive life in the ocean and that those who do survive produce equal numbers of offspring,this would be an example of _________ selection.

In the island model of migration,under what condition(s)will the allele frequencies in an island population be in Hardy-Weinberg equilibrium ?

Mating preferences drive assortative mating

As the value of F increases,so does the frequency of

At an underdominant locus,how will allele frequencies change through time?

After one generation of inbreeding,one would expect to see a(n)_ in heterozygotes but no change in _ frequencies.

What is the term for the condition in which the heterozygote is more fit than either homozygote?

Suppose the frequency of the A₁ allele is pᵢ = 0.4 on an island and pm = 0.8 on the mainland.If a fraction of the island population,k = .10,is replaced by migrants from the mainland each generation,what is the frequency of A₁ on the island after one generation of migration?

Consider a biallelic locus with alleles A₁ and A₂.A₁ mutates to A₂ with a forward mutation rate of 0.0000025.A₂ mutates back to A₁ with a reverse mutation rate of 0.0000010.What will be the equilibrium frequency of the A₁ allele?

The null model for population genetics is

List five assumptions of the Hardy-Weinberg equilibrium.

What phenomenon is represented in the following figure?

What is the frequency of homozygous individuals in a Hardy-Weinberg population that experiences inbreeding expressed in terms of the frequencies of alleles (p,q)and the value of F.

If we follow a population through time and observe that allele frequencies change or genotypic frequencies change in this population,this may be because

Many early evolutionary biologists rejected Mendel's ideas because

Inbreeding depression is caused by

In pocket mice,possession of the D allele at the Mc1R locus confers dark coloration and homozygous d individuals are light in color.Why would one expect to see more D alleles in a population living on lava?

Which of the following model organisms is not expected to achieve Hardy-Weinberg equilibrium?

Lifetime fitness,as demonstrated by Cummings et al.'s work on sunflowers,is dependent on what two components?

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

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 7: The Genetics of Populations

When considering the following figure,the top panel refers to _________ and the bottom panel refers to _________.

Pacific salmon hatch in streams and grow up out in the Pacific Ocean.At the end of their life,they mate once then die.Assuming that not all salmon survive life in the ocean and that those who do survive produce equal numbers of offspring,this would be an example of _________ selection.

In the island model of migration,under what condition(s)will the allele frequencies in an island population be in Hardy-Weinberg equilibrium ?

Mating preferences drive assortative mating

As the value of F increases,so does the frequency of

At an underdominant locus,how will allele frequencies change through time?

After one generation of inbreeding,one would expect to see a(n)_________ in heterozygotes but no change in _________ frequencies.

What is the term for the condition in which the heterozygote is more fit than either homozygote?

Suppose the frequency of the A₁ allele is pᵢ = 0.4 on an island and pm = 0.8 on the mainland.If a fraction of the island population,k = .10,is replaced by migrants from the mainland each generation,what is the frequency of A₁ on the island after one generation of migration?

Consider a biallelic locus with alleles A₁ and A₂.A₁ mutates to A₂ with a forward mutation rate of 0.0000025.A₂ mutates back to A₁ with a reverse mutation rate of 0.0000010.What will be the equilibrium frequency of the A₁ allele?

The null model for population genetics is

List five assumptions of the Hardy-Weinberg equilibrium.

What phenomenon is represented in the following figure?

What is the frequency of homozygous individuals in a Hardy-Weinberg population that experiences inbreeding expressed in terms of the frequencies of alleles (p,q)and the value of F.

If we follow a population through time and observe that allele frequencies change or genotypic frequencies change in this population,this may be because

Many early evolutionary biologists rejected Mendel's ideas because

Inbreeding depression is caused by

In pocket mice,possession of the D allele at the Mc1R locus confers dark coloration and homozygous d individuals are light in color.Why would one expect to see more D alleles in a population living on lava?

Which of the following model organisms is not expected to achieve Hardy-Weinberg equilibrium?

Lifetime fitness,as demonstrated by Cummings et al.'s work on sunflowers,is dependent on what two components?

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

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

When considering the following figure,the top panel refers to _ and the bottom panel refers to _.

After one generation of inbreeding,one would expect to see a(n)_ in heterozygotes but no change in _ frequencies.