Question 1

Controlled mating of two parents of the same species, with different genotypes, to get the best combination of traits results in

Accepted Answer

A)  a clone. 
B)  a new species. 
C)  an interspecific hybrid. 
D)  an intraspecific hybrid. 
A)  a clone. 
B)  a new species. 
C)  an interspecific hybrid. 
D)  an intraspecific hybrid. D

Question 2

A particular type of common water snake is only found on islands in Lake Erie. This represents a

Accepted Answer

A)  recessive trait. 
B)  genetically distinct population. 
C)  clone. 
D)  hybrid. 
A)  recessive trait. 
B)  genetically distinct population. 
C)  clone. 
D)  hybrid. B

Question 3

This term indicates that nearly all the individuals in the population have the same alleles.

Accepted Answer

A)  genetic bottleneck 
B)  frequency loss effect 
C)  low genetic diversity 
D)  genetic drift 
A)  genetic bottleneck 
B)  frequency loss effect 
C)  low genetic diversity 
D)  genetic drift C

Question 4

Which of the following is false concerning eugenics?

Accepted Answer

A)  The eugenics movement passed laws meant to eliminate bad genes from the human gene pool. 
B)  Supporters of eugenics encouraged sterilization of the unfit. 
C)  Eugenics methods have been highly successful in reducing the frequencies of bad recessive alleles from the human population. 
D)  Eugenics methods have been unsuccessful, because recessive alleles are hidden in the heterozygous condition and can be passed on to offspring. 
A)  The eugenics movement passed laws meant to eliminate bad genes from the human gene pool. 
B)  Supporters of eugenics encouraged sterilization of the unfit. 
C)  Eugenics methods have been highly successful in reducing the frequencies of bad recessive alleles from the human population. 
D)  Eugenics methods have been unsuccessful, because recessive alleles are hidden in the heterozygous condition and can be passed on to offspring.

Question 5

Which term below is LEAST like the others?

Accepted Answer

A)  species 
B)  subspecies 
C)  variety 
D)  clone 
A)  species 
B)  subspecies 
C)  variety 
D)  clone

Question 6

The term used when specifically discussing how common a particular allele is in a population is

Accepted Answer

A)  population frequency. 
B)  population number. 
C)  allele number. 
D)  allele frequency. 
A)  population frequency. 
B)  population number. 
C)  allele number. 
D)  allele frequency.

Question 7

Two kinds of mice live in the same area but one is black and the other is brown. The answer to which of the following questions would be most valuable in determining if they are of the same species.

Accepted Answer

A)  Do members of the two kinds mate with one another and have offspring that reproduce? 
B)  Do the two kinds have other physical differences other than color? 
C)  Are the brown mice eaten more often by owls than black mice? 
D)  Do the brown mice climb trees more often than black mice? 
A)  Do members of the two kinds mate with one another and have offspring that reproduce? 
B)  Do the two kinds have other physical differences other than color? 
C)  Are the brown mice eaten more often by owls than black mice? 
D)  Do the brown mice climb trees more often than black mice?

Question 8

The island water snake is one of several subspecies within the species that includes the common water snake. The island water snake has the same relationship to the common water snake as

Accepted Answer

A)  two different breeds of dog (collie and St. Bernard). 
B)  a jellyfish to a goldfish. 
C)  a cat to a wolf. 
D)  a poisonous snake to a nonpoisonous snake. 
A)  two different breeds of dog (collie and St. Bernard). 
B)  a jellyfish to a goldfish. 
C)  a cat to a wolf. 
D)  a poisonous snake to a nonpoisonous snake.

Question 9

One species of plant contains several different groups. Each group is slightly different from the others and capable of sexual reproduction. These groups are called

Accepted Answer

A)  subspecies. 
B)  clones. 
C)  species. 
D)  mutations. 
A)  subspecies. 
B)  clones. 
C)  species. 
D)  mutations.

Question 10

If two populations of a species show significant structural differences, it is likely that

Accepted Answer

A)  there is little sexual reproduction between populations. 
B)  they are reproductively isolated. 
C)  each is specifically adapted to a certain environmental situation. 
D)  All of the choices are correct. 
A)  there is little sexual reproduction between populations. 
B)  they are reproductively isolated. 
C)  each is specifically adapted to a certain environmental situation. 
D)  All of the choices are correct.

Question 11

Which of the following are used to distinguish species from one another?

Accepted Answer

A)  differences in the physical characteristics of organisms 
B)  differences in behavior 
C)  differences in metabolism 
D)  All of the choices are correct. 
A)  differences in the physical characteristics of organisms 
B)  differences in behavior 
C)  differences in metabolism 
D)  All of the choices are correct.

Question 12

Monoculture is associated with

Accepted Answer

A)  intraspecific hybrids. 
B)  clones. 
C)  single species. 
D)  All of these answers are true. 
A)  intraspecific hybrids. 
B)  clones. 
C)  single species. 
D)  All of these answers are true.

Question 13

Populations of roses that have different gene frequencies from one another are

Accepted Answer

A)  clones. 
B)  hybrids. 
C)  varieties. 
D)  communities. 
A)  clones. 
B)  hybrids. 
C)  varieties. 
D)  communities.

Question 14

A term used to describe genetic differences among members of a population is

Accepted Answer

A)  species. 
B)  genetic diversity. 
C)  community. 
D)  biome. 
A)  species. 
B)  genetic diversity. 
C)  community. 
D)  biome.

Question 15

You are studying populations of a certain species of frog in two ponds five kilometers apart. There are no other ponds in the area. In pond A all the frogs are small and have a few black spots on them. In pond B most of the frogs are large and lack spots but a few are small without spots and a few are large with spots. Which of the following is the most likely cause of the genetic diversity seen in pond B?

Accepted Answer

A)  The small frogs and spotted frogs in pond B are mutations. 
B)  Pond A frogs resulted from individuals migrating from pond B. 
C)  The small frogs and spotted frogs in pond B probably are the result of some frogs migrating from pond A to pond B. 
D)  Meiosis generated more genetic diversity in pond B than in pond A. 
A)  The small frogs and spotted frogs in pond B are mutations. 
B)  Pond A frogs resulted from individuals migrating from pond B. 
C)  The small frogs and spotted frogs in pond B probably are the result of some frogs migrating from pond A to pond B. 
D)  Meiosis generated more genetic diversity in pond B than in pond A.

Question 16

Using structural characteristics to differentiate species on the basis of key physical characteristics is called the

Accepted Answer

A)  morphological species concept. 
B)  fitness concept. 
C)  gene frequency concept. 
D)  biological species concept. 
A)  morphological species concept. 
B)  fitness concept. 
C)  gene frequency concept. 
D)  biological species concept.

Question 17

The smaller a population, the

Accepted Answer

A)  more genetic diversity it contains. 
B)  more likely it is that mutation will occur. 
C)  more likely it is that random events will change the gene frequency. 
D)  older the organisms are. 
A)  more genetic diversity it contains. 
B)  more likely it is that mutation will occur. 
C)  more likely it is that random events will change the gene frequency. 
D)  older the organisms are.

Question 18

Eugenic laws were an attempt to

Accepted Answer

A)  introduce new genes into the human gene pool. 
B)  improve the human gene pool. 
C)  identify the genes in the human gene pool. 
D)  reduce the size of the human population. 
A)  introduce new genes into the human gene pool. 
B)  improve the human gene pool. 
C)  identify the genes in the human gene pool. 
D)  reduce the size of the human population.

Question 19

A species is a group of organisms that

Accepted Answer

A)  can produce fertile offspring when mated. 
B)  all live in the same geographic region. 
C)  always look the same in size and color. 
D)  All of these answers are true. 
A)  can produce fertile offspring when mated. 
B)  all live in the same geographic region. 
C)  always look the same in size and color. 
D)  All of these answers are true.

Question 20

Which of the following would have the LEAST genetic diversity?

Accepted Answer

A)  a population of mice adapted to a specific location 
B)  a species with a world-wide distribution 
C)  a population of intraspecific hybrid corn plants used by farmers 
D)  a population of mice that only has 10,000 individuals 
A)  a population of mice adapted to a specific location 
B)  a species with a world-wide distribution 
C)  a population of intraspecific hybrid corn plants used by farmers 
D)  a population of mice that only has 10,000 individuals

Exam 12: Diversity Within Species and Population Genetics

Controlled mating of two parents of the same species, with different genotypes, to get the best combination of traits results in

A particular type of common water snake is only found on islands in Lake Erie. This represents a

This term indicates that nearly all the individuals in the population have the same alleles.

Which of the following is false concerning eugenics?

Which term below is LEAST like the others?

The term used when specifically discussing how common a particular allele is in a population is

Two kinds of mice live in the same area but one is black and the other is brown. The answer to which of the following questions would be most valuable in determining if they are of the same species.

The island water snake is one of several subspecies within the species that includes the common water snake. The island water snake has the same relationship to the common water snake as

One species of plant contains several different groups. Each group is slightly different from the others and capable of sexual reproduction. These groups are called

If two populations of a species show significant structural differences, it is likely that

Which of the following are used to distinguish species from one another?

Monoculture is associated with

Populations of roses that have different gene frequencies from one another are

A term used to describe genetic differences among members of a population is

Using structural characteristics to differentiate species on the basis of key physical characteristics is called the

The smaller a population, the

Eugenic laws were an attempt to

A species is a group of organisms that

Which of the following would have the LEAST genetic diversity?

What Is Biology

The Basics of Life: Chemistry

Organic Molecules: The Molecules of Life

Cell Structure and Function

Enzymes, Coenzymes, and Energy

Biochemical Pathways: Cellular Respiration

Biochemical Pathways: Photosynthesis

DNA and RNA: The Molecular Basis of Heredity

Cell Division: Proliferation and Reproduction

Patterns of Inheritance

Applications of Biotechnology

Evolution and Natural Selection

The Formation of Species and Evolutionary Change

Ecosystem Dynamics: The Flow of Energy and Matter

Community Interactions

Population Ecology

Evolutionary and Ecological Aspects of Behavior

The Origin of Life and the Evolution of Cells

The Classification and Evolution of Organisms

The Nature of Microorganisms

The Plant Kingdom

The Animal Kingdom

Materials Exchange in the Body

Nutrition: Food and Diet

The Bodys Control Mechanisms and Immunity

Human Reproduction, Sex, and Sexuality

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