Question 1

Evolution can best be defined as:

Accepted Answer

A)  the appearance of a new species. 
B)  a change in allele frequencies in a breeding population over time. 
C)  changes in the DNA of an individual over his or her lifetime. 
D)  a process that occurs only over extremely long periods of time. 
A)  the appearance of a new species. 
B)  a change in allele frequencies in a breeding population over time. 
C)  changes in the DNA of an individual over his or her lifetime. 
D)  a process that occurs only over extremely long periods of time.

Question 2

What effect does natural selection have on population variation?

Accepted Answer

A)  It increases variation. 
B)  It decreases variation. 
C)  It both increases and decreases variation. 
D)  It does not affect variation. 
A)  It increases variation. 
B)  It decreases variation. 
C)  It both increases and decreases variation. 
D)  It does not affect variation.

Question 3

The mutation known as trisomy 21, in which an extra copy of chromosome 21 is present, is more commonly known as:

Accepted Answer

A)  Turner syndrome. 
B)  Down syndrome. 
C)  Klinefelter's syndrome. 
D)  Williams syndrome. 
A)  Turner syndrome. 
B)  Down syndrome. 
C)  Klinefelter's syndrome. 
D)  Williams syndrome.

Question 4

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.

Evolution can best be defined as:

What effect does natural selection have on population variation?

The mutation known as trisomy 21, in which an extra copy of chromosome 21 is present, is more commonly known as:

Malaria is caused by:

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 Hominin 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

Exam 4: Genes and Their Evolution: Population Genetics

Evolution can best be defined as:

What effect does natural selection have on population variation?

The mutation known as trisomy 21, in which an extra copy of chromosome 21 is present, is more commonly known as:

Malaria is caused by:

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 Hominin 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