Question 1

Matching Questions
match the term with its definition:
-mating with a relative

Accepted Answer

A) mutation 
B) consanguineous mating 
C) genetic drift 
D) natural selection 
A) mutation 
B) consanguineous mating 
C) genetic drift 
D) natural selection B

Question 2

Epigenetic changes refers to:

Accepted Answer

A) nonbiological changes in a person's phenotype such as when someone dyes their hair 
B) biological changes that do not involve changes in the genetic code 
C) major environmental changes such as global warming 
D) Changes in the patterns of gene flow for a specific population 
A) nonbiological changes in a person's phenotype such as when someone dyes their hair 
B) biological changes that do not involve changes in the genetic code 
C) major environmental changes such as global warming 
D) Changes in the patterns of gene flow for a specific population B

Question 3

An example of assortative mating would be:

Accepted Answer

A) people mating at random 
B) tall people tending to mate with tall people 
C) people tending to mate with their first cousins 
D) all of the above 
A) people mating at random 
B) tall people tending to mate with tall people 
C) people tending to mate with their first cousins 
D) all of the above B

Question 4

How might epigenetics explain some of the differences between highly related species-species which seem to be genetically more similar to each other than their phenotypes display?

Accepted Answer

Epigenetics could explain some of the di

Question 5

The process of genetic drift is most significant in a population which is:

Accepted Answer

A) small 
B) large 
C) under stress 
D) primitive 
A) small 
B) large 
C) under stress 
D) primitive

Question 6

Matching Questions
match the term with its definition:
-differential fertility and mortality

Accepted Answer

A) mutation 
B) consanguineous mating 
C) genetic drift 
D) natural selection 
A) mutation 
B) consanguineous mating 
C) genetic drift 
D) natural selection

Question 7

A lethal allele is defined as:

Accepted Answer

A) an allele that destroys its complementary allele 
B) an allele that,when expressed,causes death through natural causes / old age 
C) an allele that,when expressed,causes death before reproductive age 
D) any allele that causes a disease 
A) an allele that destroys its complementary allele 
B) an allele that,when expressed,causes death through natural causes / old age 
C) an allele that,when expressed,causes death before reproductive age 
D) any allele that causes a disease

Question 8

If in a population 36 percent of the individuals tested are nontasters (tt),what is the frequency of the allele T?

Accepted Answer

A) 0.36 
B) 0.40 
C) 0.48 
D) 0.60 
A) 0.36 
B) 0.40 
C) 0.48 
D) 0.60

Question 9

A mechanism for evolutionary change is:

Accepted Answer

A) mutation 
B) genetic drift 
C) gene flow 
D) all of the above 
A) mutation 
B) genetic drift 
C) gene flow 
D) all of the above

Question 10

The genotype of a population is known as the:

Accepted Answer

A) genetic load 
B) allele load 
C) gene pool 
D) allele pool 
A) genetic load 
B) allele load 
C) gene pool 
D) allele pool

Question 11

An error at a particular point on the DNA molecule is referred to as a:

Accepted Answer

A) point mutation 
B) genetic drift 
C) chromosome mutation 
D) allele mutation 
A) point mutation 
B) genetic drift 
C) chromosome mutation 
D) allele mutation

Question 12

If in a population 25 percent are nontasters (tt),the frequency of the recessive allele would be:

Accepted Answer

A) 0.05 
B) 0.10 
C) 0.25 
D) 0.50 
A) 0.05 
B) 0.10 
C) 0.25 
D) 0.50

Question 13

Microevolution is an(n):

Accepted Answer

A) increase in complexity over time 
B) change in physical appearance over time 
C) change in allele frequencies over time 
D) progress toward a more humanlike condition over time 
A) increase in complexity over time 
B) change in physical appearance over time 
C) change in allele frequencies over time 
D) progress toward a more humanlike condition over time

Question 14

An earthquake occurs and destroys 95 percent of a specific population.The surviving population displays gene frequencies that are different from those of the original population.This is likely due to:

Accepted Answer

A) new spontaneous mutations adaptive to the possibilities of more earthquakes 
B) sampling error 
C) an increased mutation rate 
D) new selective pressures that arise after the earthquake 
A) new spontaneous mutations adaptive to the possibilities of more earthquakes 
B) sampling error 
C) an increased mutation rate 
D) new selective pressures that arise after the earthquake

Question 15

Genetic equilibrium is maintained in a gene pool under ideal conditions.This equilibrium is disturbed by:

Accepted Answer

A) nonrandom mating 
B) mutation 
C) genetic drift 
D) all of the above 
A) nonrandom mating 
B) mutation 
C) genetic drift 
D) all of the above

Question 16

Describe the state of genetic equilibrium.How common is genetic equilibrium in natural populations?

Accepted Answer

Genetic equilibrium, also known as Hardy

Question 17

Cross-cousin preferential marriage is a form of:

Accepted Answer

A) consanguineous mating 
B) assortative mating 
C) random mating 
D) none of the above 
A) consanguineous mating 
B) assortative mating 
C) random mating 
D) none of the above

Question 18

Assortative mating occurs when:

Accepted Answer

A) people with certain phenotypes mate at nonrandom frequencies 
B) siblings or other very closely related people mate 
C) people mate at random with regard to phenotype 
D) none of the above 
A) people with certain phenotypes mate at nonrandom frequencies 
B) siblings or other very closely related people mate 
C) people mate at random with regard to phenotype 
D) none of the above

Question 19

Matching Questions
match each portion of the Hardy-Weinberg equation with the genotype frequency that it refers to:
-q²

Accepted Answer

A) Aa 
B) aa 
C) AA 
A) Aa 
B) aa 
C) AA

Question 20

Matching Questions
match each portion of the Hardy-Weinberg equation with the genotype frequency that it refers to:
-p²

Accepted Answer

A) Aa 
B) aa 
C) AA 
A) Aa 
B) aa 
C) AA

Matching Questions match the term with its definition: -mating with a relative

Epigenetic changes refers to:

An example of assortative mating would be:

How might epigenetics explain some of the differences between highly related species-species which seem to be genetically more similar to each other than their phenotypes display?

The process of genetic drift is most significant in a population which is:

Matching Questions match the term with its definition: -differential fertility and mortality

A lethal allele is defined as:

If in a population 36 percent of the individuals tested are nontasters (tt),what is the frequency of the allele T?

A mechanism for evolutionary change is:

The genotype of a population is known as the:

An error at a particular point on the DNA molecule is referred to as a:

If in a population 25 percent are nontasters (tt),the frequency of the recessive allele would be:

Microevolution is an(n):

An earthquake occurs and destroys 95 percent of a specific population.The surviving population displays gene frequencies that are different from those of the original population.This is likely due to:

Genetic equilibrium is maintained in a gene pool under ideal conditions.This equilibrium is disturbed by:

Describe the state of genetic equilibrium.How common is genetic equilibrium in natural populations?

Cross-cousin preferential marriage is a form of:

Assortative mating occurs when:

Matching Questions match each portion of the Hardy-Weinberg equation with the genotype frequency that it refers to: -q²

Matching Questions match each portion of the Hardy-Weinberg equation with the genotype frequency that it refers to: -p²

Investigating the Nature of Humankind

The Study of Heredity

The Modern Study of Human Genetics

Natural Selection and the Origin of Species

Peoples Place in Nature

The Living Primates

Comparative Studies: Anatomy and Genetics

Onhuman Primate Behavior

Human Behavior in Perspective

The Record of the Past

The Early Primate Fossil Record and the Origins of the Hominins

The Early Hominins

Early Species of the Genus Homo

The Evolution of Homo Sapiens

The Biology of Modern Homo Sapiens

The Analysis of Human Variation

The Modern World

Filters

Exam 4: Population Genetics

Matching Questions match the term with its definition: -mating with a relative

Epigenetic changes refers to:

An example of assortative mating would be:

How might epigenetics explain some of the differences between highly related species-species which seem to be genetically more similar to each other than their phenotypes display?

The process of genetic drift is most significant in a population which is:

Matching Questions match the term with its definition: -differential fertility and mortality

A lethal allele is defined as:

If in a population 36 percent of the individuals tested are nontasters (tt),what is the frequency of the allele T?

A mechanism for evolutionary change is:

The genotype of a population is known as the:

An error at a particular point on the DNA molecule is referred to as a:

If in a population 25 percent are nontasters (tt),the frequency of the recessive allele would be:

Microevolution is an(n):

An earthquake occurs and destroys 95 percent of a specific population.The surviving population displays gene frequencies that are different from those of the original population.This is likely due to:

Genetic equilibrium is maintained in a gene pool under ideal conditions.This equilibrium is disturbed by:

Describe the state of genetic equilibrium.How common is genetic equilibrium in natural populations?

Cross-cousin preferential marriage is a form of:

Assortative mating occurs when:

Matching Questions match each portion of the Hardy-Weinberg equation with the genotype frequency that it refers to: -q²

Matching Questions match each portion of the Hardy-Weinberg equation with the genotype frequency that it refers to: -p²

Investigating the Nature of Humankind

The Study of Heredity

The Modern Study of Human Genetics

Natural Selection and the Origin of Species

Peoples Place in Nature

The Living Primates

Comparative Studies: Anatomy and Genetics

Onhuman Primate Behavior

Human Behavior in Perspective

The Record of the Past

The Early Primate Fossil Record and the Origins of the Hominins

The Early Hominins

Early Species of the Genus Homo

The Evolution of Homo Sapiens

The Biology of Modern Homo Sapiens

The Analysis of Human Variation

The Modern World

Filters