Question 1

Together,all of the alleles contained within a group of interbreeding individuals is known as a:

Accepted Answer

A) gene pool. 
B) population. 
C) clinal distribution. 
D) polymorphism. 
A) gene pool. 
B) population. 
C) clinal distribution. 
D) polymorphism.

Question 2

Mutation is one of many sources of new alleles.

Accepted Answer

A) True 
 B)False

Question 3

Over a period of two generations,the frequency of green dung beetles in a population shifts from 75% to 71% while the frequency of brown dung beetles within this population shifts from 25% to 29%.This is an example of:

Accepted Answer

A) minievolution. 
B) microevolution. 
C) millievolution. 
D) nanoevolution. 
A) minievolution. 
B) microevolution. 
C) millievolution. 
D) nanoevolution.

Question 4

The inability to taste PTC indicates a homozygous recessive genotype.

Accepted Answer

A) True 
 B)False

Question 5

Patrilocal societies are expected to display:

Accepted Answer

A) greater mtDNA diversity than Y chromosome diversity. 
B) roughly equivalent mtDNA and Y chromosome diversity. 
C) greater Y chromosome diversity than mtDNA diversity. 
D) There is no strong correlation between societal structure and genetic diversity (none of the above). 
A) greater mtDNA diversity than Y chromosome diversity. 
B) roughly equivalent mtDNA and Y chromosome diversity. 
C) greater Y chromosome diversity than mtDNA diversity. 
D) There is no strong correlation between societal structure and genetic diversity (none of the above).

Question 6

The best-documented case of industrial melanism involves:

Accepted Answer

A) Galápagos finches. 
B) dung beetles. 
C) monarch butterflies. 
D) peppered moths. 
A) Galápagos finches. 
B) dung beetles. 
C) monarch butterflies. 
D) peppered moths.

Question 7

Spontaneous mutation is the result of:

Accepted Answer

A) unknown causes. 
B) X-rays. 
C) toxic chemicals. 
D) UV radiation. 
A) unknown causes. 
B) X-rays. 
C) toxic chemicals. 
D) UV radiation.

Question 8

Malaria is caused by:

Accepted Answer

A) bites from infected mosquitoes. 
B) a genetic mutation. 
C) drinking bad water. 
D) eating spoiled food. 
A) bites from infected mosquitoes. 
B) a genetic mutation. 
C) drinking bad water. 
D) eating spoiled food.

Question 9

We know that Upper Paleolithic food foragers in Europe are ancestors to modern European populations because of:

Accepted Answer

A) recent genetic research. 
B) archaeological evidence. 
C) both populations living in the same area. 
D) none of the above 
A) recent genetic research. 
B) archaeological evidence. 
C) both populations living in the same area. 
D) none of the above

Question 10

Why is the incidence of sickle-cell anemia an excellent example of a "balanced polymorphism," in which two or more alleles are maintained by natural selection in a population?

Accepted Answer

Homozygous normal individuals,while havi

Question 11

Why is the peppered moth an excellent example of directional selection?

Accepted Answer

The peppered moth exists in two forms,on

Question 12

Genetic drift is the force of evolution that is most powerful when acting on very large populations.

Accepted Answer

A) True 
 B)False

Question 13

The effects of gene flow have decreased from 10,000 years ago to the present.

Accepted Answer

A) True 
 B)False

Question 14

Fitness trade-off refers to selection favoring which genotype?

Accepted Answer

A) homozygous dominant 
B) homozygous recessive 
C) heterozygous 
D) no genotype is favored 
A) homozygous dominant 
B) homozygous recessive 
C) heterozygous 
D) no genotype is favored

Question 15

The vector for transmitting the malarial parasite to humans is:

Accepted Answer

A) dirty drinking water. 
B) mosquitoes. 
C) rats. 
D) monkeys. 
A) dirty drinking water. 
B) mosquitoes. 
C) rats. 
D) monkeys.

Question 16

When individuals of the same species are reproductively isolated,genetic differences may accumulate in sufficient number so that new species could emerge.Such an event would be an example of:

Accepted Answer

A) microevolution. 
B) founder effect. 
C) equilibrium. 
D) macroevolution. 
A) microevolution. 
B) founder effect. 
C) equilibrium. 
D) macroevolution.

Question 17

A genetic study conducted over multiple generations found that the frequency of genotypes in the first generation were,AA: 0.36,Aa: 0.48,aa: 0.16.In the second generation,genotype frequencies shifted to AA: 0.16,Aa: 0.48,aa: 0.36.According to Hardy-Weinberg equilibrium,we can assume:

Accepted Answer

A) random mating has altered gene frequencies 
B) gene flow has possibly shifted the gene frequencies 
C) mating in this population must be nonrandom mating 
D) both B and C 
A) random mating has altered gene frequencies 
B) gene flow has possibly shifted the gene frequencies 
C) mating in this population must be nonrandom mating 
D) both B and C

Question 18

Studies of Darwin's finches have found that at certain points in time all finches on the island have either wide beaks or sharp narrow beaks.The type of evolution that leads to this phenotype distribution is:

Accepted Answer

A) directional selection. 
B) natural selection. 
C) disruptive selection. 
D) stabilizing selection. 
A) directional selection. 
B) natural selection. 
C) disruptive selection. 
D) stabilizing selection.

Question 19

The physical location of a gene within the genome is called the:

Accepted Answer

A) chromosome. 
B) nucleus. 
C) address. 
D) locus. 
A) chromosome. 
B) nucleus. 
C) address. 
D) locus.

Question 20

What is a polymorphic trait? Provide two examples of polymorphic traits in modern humans,and give one example of a nonpolymorphic trait.

Accepted Answer

A polymorphic trait is one in which at l

Together,all of the alleles contained within a group of interbreeding individuals is known as a:

Mutation is one of many sources of new alleles.

Over a period of two generations,the frequency of green dung beetles in a population shifts from 75% to 71% while the frequency of brown dung beetles within this population shifts from 25% to 29%.This is an example of:

The inability to taste PTC indicates a homozygous recessive genotype.

Patrilocal societies are expected to display:

The best-documented case of industrial melanism involves:

Spontaneous mutation is the result of:

Malaria is caused by:

We know that Upper Paleolithic food foragers in Europe are ancestors to modern European populations because of:

Why is the incidence of sickle-cell anemia an excellent example of a "balanced polymorphism," in which two or more alleles are maintained by natural selection in a population?

Why is the peppered moth an excellent example of directional selection?

Genetic drift is the force of evolution that is most powerful when acting on very large populations.

The effects of gene flow have decreased from 10,000 years ago to the present.

Fitness trade-off refers to selection favoring which genotype?

The vector for transmitting the malarial parasite to humans is:

When individuals of the same species are reproductively isolated,genetic differences may accumulate in sufficient number so that new species could emerge.Such an event would be an example of:

A genetic study conducted over multiple generations found that the frequency of genotypes in the first generation were,AA: 0.36,Aa: 0.48,aa: 0.16.In the second generation,genotype frequencies shifted to AA: 0.16,Aa: 0.48,aa: 0.36.According to Hardy-Weinberg equilibrium,we can assume:

Studies of Darwin's finches have found that at certain points in time all finches on the island have either wide beaks or sharp narrow beaks.The type of evolution that leads to this phenotype distribution is:

The physical location of a gene within the genome is called the:

What is a polymorphic trait? Provide two examples of polymorphic traits in modern humans,and give one example of a nonpolymorphic trait.

What Is Physical Anthropology

Evolution: Constructing a Fundamental Scientific Theory

Genetics: Reproducing Life and Producing Variation

Biology in the Present: Living People

Biology in the Present: The Other Living Primates

Primate Sociality, social Behavior, and Culture

Fossils and Their Place in Time and Nature

Primate Origins and Evolution: The First 50 Million Years

Early Hominid Origins and Evolution: The Roots of Humanity

The Origins and Evolution of Early Homo

The Origins,evolution,and Dispersal of Modern People

Our Last 10, 000 Years: Agriculture, population, and the Bioarchaeology of a Fundamental Transition

Evolution: Today and Tomorrow

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Exam 4: Genes and Their Evolution: Population Genetics

Together,all of the alleles contained within a group of interbreeding individuals is known as a:

Mutation is one of many sources of new alleles.

Over a period of two generations,the frequency of green dung beetles in a population shifts from 75% to 71% while the frequency of brown dung beetles within this population shifts from 25% to 29%.This is an example of:

The inability to taste PTC indicates a homozygous recessive genotype.

Patrilocal societies are expected to display:

The best-documented case of industrial melanism involves:

Spontaneous mutation is the result of:

Malaria is caused by:

We know that Upper Paleolithic food foragers in Europe are ancestors to modern European populations because of:

Why is the incidence of sickle-cell anemia an excellent example of a "balanced polymorphism," in which two or more alleles are maintained by natural selection in a population?

Why is the peppered moth an excellent example of directional selection?

Genetic drift is the force of evolution that is most powerful when acting on very large populations.

The effects of gene flow have decreased from 10,000 years ago to the present.

Fitness trade-off refers to selection favoring which genotype?

The vector for transmitting the malarial parasite to humans is:

When individuals of the same species are reproductively isolated,genetic differences may accumulate in sufficient number so that new species could emerge.Such an event would be an example of:

A genetic study conducted over multiple generations found that the frequency of genotypes in the first generation were,AA: 0.36,Aa: 0.48,aa: 0.16.In the second generation,genotype frequencies shifted to AA: 0.16,Aa: 0.48,aa: 0.36.According to Hardy-Weinberg equilibrium,we can assume:

Studies of Darwin's finches have found that at certain points in time all finches on the island have either wide beaks or sharp narrow beaks.The type of evolution that leads to this phenotype distribution is:

The physical location of a gene within the genome is called the:

What is a polymorphic trait? Provide two examples of polymorphic traits in modern humans,and give one example of a nonpolymorphic trait.

What Is Physical Anthropology

Evolution: Constructing a Fundamental Scientific Theory

Genetics: Reproducing Life and Producing Variation

Biology in the Present: Living People

Biology in the Present: The Other Living Primates

Primate Sociality, social Behavior, and Culture

Fossils and Their Place in Time and Nature

Primate Origins and Evolution: The First 50 Million Years

Early Hominid Origins and Evolution: The Roots of Humanity

The Origins and Evolution of Early Homo

The Origins,evolution,and Dispersal of Modern People

Our Last 10, 000 Years: Agriculture, population, and the Bioarchaeology of a Fundamental Transition

Evolution: Today and Tomorrow

Filters