Question 1

Which of the evolutionary forces is most likely to decrease variation between populations?

Accepted Answer

A) gene flow 
B) founder effect 
C) mutation 
D) natural selection 
A) gene flow 
B) founder effect 
C) mutation 
D) natural selection

Question 2

Hardy-Weinberg equilibrium assumes

Accepted Answer

A) strong selection pressure on the trait(s) being studied. 
B) a significant mutation rate from generation to generation. 
C) gene flow that is equal both into and out of the population. 
D) no gene flow, mutation, genetic drift, or natural selection. 
A) strong selection pressure on the trait(s) being studied. 
B) a significant mutation rate from generation to generation. 
C) gene flow that is equal both into and out of the population. 
D) no gene flow, mutation, genetic drift, or natural selection.

Question 3

Aborigines are an endogamous society.This means that marriage and reproduction take place within the group leading to

Accepted Answer

A) increased genetic diversity through genetic drift. 
B) migration without gene flow. 
C) more genetic diversity than would be observed in an exogamous society. 
D) decreased genetic diversity due to a lack of admixture. 
A) increased genetic diversity through genetic drift. 
B) migration without gene flow. 
C) more genetic diversity than would be observed in an exogamous society. 
D) decreased genetic diversity due to a lack of admixture.

Question 4

In a classroom taste-test for PTC, the genotype frequency was determined to be P = 0.35 and Q = 0.65.After applying the Hardy-Weinberg equation, which of the following was found to be the percentage of genotypes?

Accepted Answer

A) p2=0.12; 2pq=0.46; q2=0.42 
B) p2=0.35; 2pq=0.00; q2=0.65 
C) p2=0.12; 2pq=0.65; q2=0.23 
D) None of the above 
A) p2=0.12; 2pq=0.46; q2=0.42 
B) p2=0.35; 2pq=0.00; q2=0.65 
C) p2=0.12; 2pq=0.65; q2=0.23 
D) None of the above

Question 5

When geneticists talk about the gene pool, they refer specifically to variation at a genetic

Accepted Answer

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

Question 6

Which of the following is key to the development of individual species?

Accepted Answer

A) Microevolution 
B) Gene flow 
C) Reproductive isolation 
D) Equilibrium 
A) Microevolution 
B) Gene flow 
C) Reproductive isolation 
D) Equilibrium

Question 7

The type of selection that favored progressively larger brain size in human evolution is

Accepted Answer

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

Question 8

Mutation

Accepted Answer

A) works most effectively on small populations. 
B) is the only source of new alleles. 
C) is one of many sources of new alleles. 
D) works to decrease variation between populations. 
A) works most effectively on small populations. 
B) is the only source of new alleles. 
C) is one of many sources of new alleles. 
D) works to decrease variation between populations.

Question 9

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 10

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 11

Why is a frameshift mutation far more likely to lead to a defective protein compared with a point mutation?

Accepted Answer

The potential effects of a point mutatio

Which of the evolutionary forces is most likely to decrease variation between populations?

Hardy-Weinberg equilibrium assumes

Aborigines are an endogamous society.This means that marriage and reproduction take place within the group leading to

In a classroom taste-test for PTC, the genotype frequency was determined to be P = 0.35 and Q = 0.65.After applying the Hardy-Weinberg equation, which of the following was found to be the percentage of genotypes?

When geneticists talk about the gene pool, they refer specifically to variation at a genetic

Which of the following is key to the development of individual species?

The type of selection that favored progressively larger brain size in human evolution is

Mutation

Malaria is caused by

Spontaneous mutation is the result of

Why is a frameshift mutation far more likely to lead to a defective protein compared with a point mutation?

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 Biology

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Exam 4: Genes and Their Evolution: Population Genetics

Which of the evolutionary forces is most likely to decrease variation between populations?

Hardy-Weinberg equilibrium assumes

Aborigines are an endogamous society.This means that marriage and reproduction take place within the group leading to

In a classroom taste-test for PTC, the genotype frequency was determined to be P = 0.35 and Q = 0.65.After applying the Hardy-Weinberg equation, which of the following was found to be the percentage of genotypes?

When geneticists talk about the gene pool, they refer specifically to variation at a genetic

Which of the following is key to the development of individual species?

The type of selection that favored progressively larger brain size in human evolution is

Mutation

Malaria is caused by

Spontaneous mutation is the result of

Why is a frameshift mutation far more likely to lead to a defective protein compared with a point mutation?

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 Biology

Filters