Question 1

Match the Hardy-Weinberg factor with the correct genetic designation.
-p + q

Accepted Answer

A) frequency of heterozygotes 
B) frequency of the dominant allele 
C) frequency of the recessive allele 
D) the total gene pool for a gene with two alleles 
E) frequency of homozygous recessive genotypes
F)frequency of homozygous dominant genotypes 
A) frequency of heterozygotes 
B) frequency of the dominant allele 
C) frequency of the recessive allele 
D) the total gene pool for a gene with two alleles 
E) frequency of homozygous recessive genotypes
F)frequency of homozygous dominant genotypes

Question 2

How does gene flow introduce novel genetic variants into populations?

Accepted Answer

When an individual or gamete from one po

Question 3

Genetic drift can eliminate alleles from a population more quickly than natural selection.

Accepted Answer

A) True 
 B)False

Question 4

For which of the following is the Hardy-Weinberg formula valuable?

Accepted Answer

A) calculating changes in population size 
B) calculating changes in speciation 
C) calculating changes in allele frequencies 
D) calculating changes in mutation 
A) calculating changes in population size 
B) calculating changes in speciation 
C) calculating changes in allele frequencies 
D) calculating changes in mutation

Question 5

What is the evolution of the humpback whale an example of?

Accepted Answer

A) homology 
B) microevolutionc macroevolution 
C) analogy 
A) homology 
B) microevolutionc macroevolution 
C) analogy

Question 6

Match the Hardy-Weinberg factor with the correct genetic designation.
-q2

Accepted Answer

A) frequency of heterozygotes 
B) frequency of the dominant allele 
C) frequency of the recessive allele 
D) the total gene pool for a gene with two alleles 
E) frequency of homozygous recessive genotypes
F)frequency of homozygous dominant genotypes 
A) frequency of heterozygotes 
B) frequency of the dominant allele 
C) frequency of the recessive allele 
D) the total gene pool for a gene with two alleles 
E) frequency of homozygous recessive genotypes
F)frequency of homozygous dominant genotypes

Question 7

Which of the following is NOT an agent of microevolutionary change?

Accepted Answer

A) mutation 
B) gene flow 
C) random mating 
D) genetic drift 
A) mutation 
B) gene flow 
C) random mating 
D) genetic drift

Question 8

We are sending a small number of dogs to colonize a new planet. Through a random selection process, we end up only with dachshunds and Chihuahuas. The subsequent colony is all small dogs with short legs. What is this an example of?

Accepted Answer

A) adaptive radiation 
B) punctuated equilibrium 
C) genetic drift 
D) microevolution 
A) adaptive radiation 
B) punctuated equilibrium 
C) genetic drift 
D) microevolution

Question 9

Match each of the following definitions with the correct agent.
-differential survivorship or reproduction of individuals with different genotypes

Accepted Answer

A) gene flow 
B) nonrandom mating 
C) genetic drift 
D) mutation 
E) natural selection 
A) gene flow 
B) nonrandom mating 
C) genetic drift 
D) mutation 
E) natural selection

Question 10

Match each of the following definitions with the correct agent.
-a heritable change in DNA

Accepted Answer

A) gene flow 
B) nonrandom mating 
C) genetic drift 
D) mutation 
E) natural selection 
A) gene flow 
B) nonrandom mating 
C) genetic drift 
D) mutation 
E) natural selection

Question 11

Which of the following processes listed below will NOT disrupt Hardy-Weinberg equilibrium?

Accepted Answer

A) nonrandom mating 
B) natural selection 
C) migration 
D) punctuated equilibrium 
A) nonrandom mating 
B) natural selection 
C) migration 
D) punctuated equilibrium

Question 12

Which of the following best describes the condition in which evolution could have taken place?

Accepted Answer

A) when a population experiences a shift in allele frequencies 
B) when a mutation occurs in a population 
C) when a feature of an individual animal changes through use or disuse 
D) when a population has different forms of the same gene 
A) when a population experiences a shift in allele frequencies 
B) when a mutation occurs in a population 
C) when a feature of an individual animal changes through use or disuse 
D) when a population has different forms of the same gene

Question 13

Which of the following defines characters between individuals that exist in two or more discrete states?

Accepted Answer

A) quantitative variation 
B) qualitative variation 
C) genetic variation 
D) punctuated equilibrium 
A) quantitative variation 
B) qualitative variation 
C) genetic variation 
D) punctuated equilibrium

Question 14

Which process below is NOT a component of natural selection?

Accepted Answer

A) genetic drift 
B) overproduction of offspring 
C) limitations in vital resources 
D) genetic variation 
A) genetic drift 
B) overproduction of offspring 
C) limitations in vital resources 
D) genetic variation

Question 15

Under what circumstance might measuring the frequency of homozygous recessive genotypes lead to erroneous predictions of allele frequencies in a population?

Accepted Answer

A) The population is under Hardy-Weinberg equilibrium. 
B) The population is affected by heterozygote advantage. 
C) The population has undergone genetic drift in the past. 
D) The population is affected by homozygote advantage. 
A) The population is under Hardy-Weinberg equilibrium. 
B) The population is affected by heterozygote advantage. 
C) The population has undergone genetic drift in the past. 
D) The population is affected by homozygote advantage.

Question 16

In an isolated population of fruit flies, 4% of the individuals have pink eyes, a homozygous recessive condition, and 96% have the dominant black eye phenotype. What percentage of the population are heterozygotes?

Accepted Answer

A) 4% 
B) 16% 
C) 32% 
D) 48% 
A) 4% 
B) 16% 
C) 32% 
D) 48%

Question 17

Which of the following is NOT a condition for the genetic equilibrium?

Accepted Answer

A) The population is not migratory to other populations. 
B) The population is closed to migration from other populations. 
C) The population is infinite in size. 
D) The population is small in size. 
A) The population is not migratory to other populations. 
B) The population is closed to migration from other populations. 
C) The population is infinite in size. 
D) The population is small in size.

Question 18

A baby is born with wrinkled, poorly-formed skin and blood vessels prone to rupturing. What can we say the baby has inherited?

Accepted Answer

A) a lethal mutation 
B) a deleterious mutation 
C) an advantageous mutation 
D) a partial mutation 
A) a lethal mutation 
B) a deleterious mutation 
C) an advantageous mutation 
D) a partial mutation

Question 19

There are two alleles for a gene in a population, and the frequency of the dominant allele (p) is 0.50. What is the frequency of the recessive allele (q) then?

Accepted Answer

A) 0.05 
B) 0.25 
C) 0.50 
D) 0.75 
A) 0.05 
B) 0.25 
C) 0.50 
D) 0.75

Question 20

Which of the following will disrupt Hardy-Weinberg equilibrium the least?

Accepted Answer

A) directional selection 
B) stabilizing selection 
C) migration 
D) reduction to a small population size 
A) directional selection 
B) stabilizing selection 
C) migration 
D) reduction to a small population size

Exam 18: Microevolution: Changes Within Populations

Match the Hardy-Weinberg factor with the correct genetic designation. -p + q

How does gene flow introduce novel genetic variants into populations?

Genetic drift can eliminate alleles from a population more quickly than natural selection.

For which of the following is the Hardy-Weinberg formula valuable?

What is the evolution of the humpback whale an example of?

Match the Hardy-Weinberg factor with the correct genetic designation. -q2

Which of the following is NOT an agent of microevolutionary change?

We are sending a small number of dogs to colonize a new planet. Through a random selection process, we end up only with dachshunds and Chihuahuas. The subsequent colony is all small dogs with short legs. What is this an example of?

Match each of the following definitions with the correct agent. -differential survivorship or reproduction of individuals with different genotypes

Match each of the following definitions with the correct agent. -a heritable change in DNA

Which of the following processes listed below will NOT disrupt Hardy-Weinberg equilibrium?

Which of the following best describes the condition in which evolution could have taken place?

Which of the following defines characters between individuals that exist in two or more discrete states?

Which process below is NOT a component of natural selection?

Under what circumstance might measuring the frequency of homozygous recessive genotypes lead to erroneous predictions of allele frequencies in a population?

In an isolated population of fruit flies, 4% of the individuals have pink eyes, a homozygous recessive condition, and 96% have the dominant black eye phenotype. What percentage of the population are heterozygotes?

Which of the following is NOT a condition for the genetic equilibrium?

A baby is born with wrinkled, poorly-formed skin and blood vessels prone to rupturing. What can we say the baby has inherited?

There are two alleles for a gene in a population, and the frequency of the dominant allele (p) is 0.50. What is the frequency of the recessive allele (q) then?

Which of the following will disrupt Hardy-Weinberg equilibrium the least?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

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Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

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Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

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Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

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Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters

Match the Hardy-Weinberg factor with the correct genetic designation. -q²