Question 1

__________ introduce(s) new genetic combinations of alleles into thchromosomes.

Accepted Answer

A) Crossing over in meiosis I 
B) Crossing over in meiosis II 
C) Breeding between the dominant individuals in the population 
D) Breeding between the recessive individuals in the population 
E) All of these 
A) Crossing over in meiosis I 
B) Crossing over in meiosis II 
C) Breeding between the dominant individuals in the population 
D) Breeding between the recessive individuals in the population 
E) All of these

Question 2

What event enablethrats to becomresistant to warfarin?

Accepted Answer

A) mutation of a gene that made them resistant to penicillin 
B) mutation of a gene that made them resistant to warfarin 
C) change in the chemical makeup of warfarin 
D) increased use of alternative chemicals by people 
E) none of these 
A) mutation of a gene that made them resistant to penicillin 
B) mutation of a gene that made them resistant to warfarin 
C) change in the chemical makeup of warfarin 
D) increased use of alternative chemicals by people 
E) none of these

Question 3

__________ is a randochangin allelfrequency over timthat is brought about by chance.

Accepted Answer

A) Genetic drift 
B) Gene flow 
C) Natural selection 
D) Mutation 
E) Directional selection 
A) Genetic drift 
B) Gene flow 
C) Natural selection 
D) Mutation 
E) Directional selection

Question 4

What is thrat to human ratio in most major cities?

Accepted Answer

A) 10:1 
B) 20:1 
C) 1:10 
D) 1:25 
E) 1:100 
A) 10:1 
B) 20:1 
C) 1:10 
D) 1:25 
E) 1:100

Question 5

When a lanbridgconnecting two continents is cut off duto rising sea levels, this can leato

Accepted Answer

A) sympatric speciation. 
B) disruptive selection. 
C) directional selection. 
D) hybrid sterility. 
E) allopatric speciation. 
A) sympatric speciation. 
B) disruptive selection. 
C) directional selection. 
D) hybrid sterility. 
E) allopatric speciation.

Question 6

Which population is morlikely to baffecteby genetic drift?

Accepted Answer

A) 6 geese in a pond 
B) 87 bluegill in a lake 
C) 121 snails in the garden 
D) 2,217 dandelions in the yard 
E) 12,000 antelope in a herd 
A) 6 geese in a pond 
B) 87 bluegill in a lake 
C) 121 snails in the garden 
D) 2,217 dandelions in the yard 
E) 12,000 antelope in a herd

Question 7

Which is an examplof a physiological trait?

Accepted Answer

A) metabolic rate 
B) tall 
C) curly tail 
D) pointed ears 
E) all of these 
A) metabolic rate 
B) tall 
C) curly tail 
D) pointed ears 
E) all of these

Question 8

__________ refer(s) to an allele's abundancwithin a population.

Accepted Answer

A) Allele frequency 
B) Mutation frequency 
C) Allele ratio 
D) Population dynamics 
E) None of these 
A) Allele frequency 
B) Mutation frequency 
C) Allele ratio 
D) Population dynamics 
E) None of these

Question 9

Thfavoring of thheterozygotwithin thpopulation is an examplof a

Accepted Answer

A) balanced polymorphism. 
B) balanced dimorphism. 
C) balanced monomorphism. 
D) sexual selection. 
E) directional selection. 
A) balanced polymorphism. 
B) balanced dimorphism. 
C) balanced monomorphism. 
D) sexual selection. 
E) directional selection.

Question 10

What is thsciencof naming anclassifying species called?

Accepted Answer

A) taxonomy 
B) evolution 
C) biogeography 
D) herpetology 
E) plate tectonics 
A) taxonomy 
B) evolution 
C) biogeography 
D) herpetology 
E) plate tectonics

Question 11

A population is experiencing __________ if thallelfrequency remains stable.

Accepted Answer

A) genetic imbalance 
B) genetic equilibrium 
C) random mutations 
D) controlled mutations 
E) random change 
A) genetic imbalance 
B) genetic equilibrium 
C) random mutations 
D) controlled mutations 
E) random change

Question 12

Which is NOT a kingdorecognizeby thscientific community?

Accepted Answer

A) plantae 
B) animalia 
C) protista 
D) fungi 
E) all of these kingdoms are recognized by the scientific community 
A) plantae 
B) animalia 
C) protista 
D) fungi 
E) all of these kingdoms are recognized by the scientific community

Question 13

__________ will neither hurt nor help thindividual's chances of survival.

Accepted Answer

A) A beneficial mutation 
B) A neutral mutation 
C) A random mutation 
D) A lethal mutation 
E) None of these 
A) A beneficial mutation 
B) A neutral mutation 
C) A random mutation 
D) A lethal mutation 
E) None of these

Question 14

With natural selection, __________ an__________ will alter thallelfrequency of a population.

Accepted Answer

A) survival; mutation 
B) mutation; reproduction 
C) competition; mutation 
D) survival; reproduction 
E) survival; competition 
A) survival; mutation 
B) mutation; reproduction 
C) competition; mutation 
D) survival; reproduction 
E) survival; competition

Question 15

What event will increasthfrequency of a mutation in a population over time?

Accepted Answer

A) fitness 
B) natural selection 
C) artificial selection 
D) adaptive radiation 
E) none of these 
A) fitness 
B) natural selection 
C) artificial selection 
D) adaptive radiation 
E) none of these

Question 16

With __________ selection(s), thforms of a trait at both ends of a rangof variation arfavored.

Accepted Answer

A) frequent 
B) directional 
C) disruptive 
D) stabilizing
) 
E) none of these 
A) frequent 
B) directional 
C) disruptive 
D) stabilizing
) 
E) none of these

Question 17

A group of similar organisms arclassifieas a(n)

Accepted Answer

A) clade 
B) taxon 
C) tribe 
D) community 
E) ecosystem 
A) clade 
B) taxon 
C) tribe 
D) community 
E) ecosystem

Question 18

If a population speciates in thabsencof a physical barrier it is known as

Accepted Answer

A) sympatric speciation. 
B) disruptive selection. 
C) directional selection. 
D) hybrid sterility. 
E) allopatric speciation. 
A) sympatric speciation. 
B) disruptive selection. 
C) directional selection. 
D) hybrid sterility. 
E) allopatric speciation.

Question 19

With __________ selection(s), thallelfrequency will shift in a consistent direction.

Accepted Answer

A) directional 
B) stabilizing 
C) disruptive 
D) frequent 
E) none of these 
A) directional 
B) stabilizing 
C) disruptive 
D) frequent 
E) none of these

Question 20

What is thbest definition of a population?

Accepted Answer

A) a group of individuals of two different species that interact with each other 
B) a group of interbreeding individuals from different geographical regions 
C) all the different types of organisms in a given area 
D) all the different types of organisms in several regions 
E) a group of individuals of the same species in a given area 
A) a group of individuals of two different species that interact with each other 
B) a group of interbreeding individuals from different geographical regions 
C) all the different types of organisms in a given area 
D) all the different types of organisms in several regions 
E) a group of individuals of the same species in a given area

Exam 12: Processes of Evolution

__________ introduce(s) new genetic combinations of alleles into thchromosomes.

What event enablethrats to becomresistant to warfarin?

__________ is a randochangin allelfrequency over timthat is brought about by chance.

What is thrat to human ratio in most major cities?

When a lanbridgconnecting two continents is cut off duto rising sea levels, this can leato

Which population is morlikely to baffecteby genetic drift?

Which is an examplof a physiological trait?

__________ refer(s) to an allele's abundancwithin a population.

Thfavoring of thheterozygotwithin thpopulation is an examplof a

What is thsciencof naming anclassifying species called?

A population is experiencing __________ if thallelfrequency remains stable.

Which is NOT a kingdorecognizeby thscientific community?

__________ will neither hurt nor help thindividual's chances of survival.

With natural selection, __________ an__________ will alter thallelfrequency of a population.

What event will increasthfrequency of a mutation in a population over time?

With __________ selection(s), thforms of a trait at both ends of a rangof variation arfavored.

A group of similar organisms arclassifieas a(n)

If a population speciates in thabsencof a physical barrier it is known as

With __________ selection(s), thallelfrequency will shift in a consistent direction.

What is thbest definition of a population?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolutionunit

Population Ecology

Communities and Ecosystems

The Biosphere and Human Eff Ects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

With natural selection, an will alter thallelfrequency of a population.