Question 1

A recent genetic analysis has shown that at one point, as few as _____ Florida panthers were alive.

Accepted Answer

A)  6 
B)  20 
C)  40 
D)  80 
E)  120 
A)  6 
B)  20 
C)  40 
D)  80 
E)  120 A

Question 2

An individual with two identical copies of a gene is said to be

Accepted Answer

A)  homozygous 
B)  heterozygous 
C)  dominant 
D)  recessive 
E)  segregated 
A)  homozygous 
B)  heterozygous 
C)  dominant 
D)  recessive 
E)  segregated A

Question 3

Match the type of chromosome mutation with its effect.
-Duplication

Accepted Answer

A)  loss of part of the chromosome 
B)  added amount of some genes 
C)  chromosome breakage, re-positioning and re-fusing 
D)  the exchange of segments between two non-homologous chromosomes 
A)  loss of part of the chromosome 
B)  added amount of some genes 
C)  chromosome breakage, re-positioning and re-fusing 
D)  the exchange of segments between two non-homologous chromosomes B

Question 4

The best explanation for species distributions is that each region supports the fauna and flora best adapted to it.

Accepted Answer

A) True 
 B)False

Question 5

The Hardy-Weinberg equation states that p2 +2pq + q2 = 1; the genotype frequency of heterozygotes is represented by

Accepted Answer

A)  p2 
B)  2pq 
C)  q2 
D)  p2 + q2 
E)  p2 + 2pq 
A)  p2 
B)  2pq 
C)  q2 
D)  p2 + q2 
E)  p2 + 2pq

Question 6

The percentage of individuals exhibiting a recessive disease in a population is 0.04, which is 4% based on a Hardy-Weinberg equilibrium. What percentage of individuals would be expected to be heterozygous carriers?

Accepted Answer

A)  48 
B)  40 
C)  60 
D)  24 
E)  4 
A)  48 
B)  40 
C)  60 
D)  24 
E)  4

Question 7

Match the scientist with their discovery
-Malthus

Accepted Answer

A)  natural selection 
B)  theory of population growth 
C)  transformism 
D)  inheritance 
A)  natural selection 
B)  theory of population growth 
C)  transformism 
D)  inheritance

Question 8

Match the scientist with their discovery
-Mendel

Accepted Answer

A)  natural selection 
B)  theory of population growth 
C)  transformism 
D)  inheritance 
A)  natural selection 
B)  theory of population growth 
C)  transformism 
D)  inheritance

Question 9

In which plant mating system would genetic variability decline slowest?

Accepted Answer

A)  self fertilization. 
B)  mating with brothers or sisters. 
C)  mating with cousins. 
D)  mating with second cousins. 
E)  mating with unrelated individuals. 
A)  self fertilization. 
B)  mating with brothers or sisters. 
C)  mating with cousins. 
D)  mating with second cousins. 
E)  mating with unrelated individuals.

Question 10

Match the continents with their fauna
-Africa

Accepted Answer

A)  sloths, anteaters, armadillos, monkeys with prehensile tails 
B)  zebra, giraffes, lions, baboons, okapi, aardvark 
C)  bats, Tasmanian devil, wombat, duck-billed platypus, echidna 
A)  sloths, anteaters, armadillos, monkeys with prehensile tails 
B)  zebra, giraffes, lions, baboons, okapi, aardvark 
C)  bats, Tasmanian devil, wombat, duck-billed platypus, echidna

Question 11

Robert Lacey showed that in a population of 120 individuals, at least ______ immigrant(s) every generation would be sufficient to counter genetic drift.

Accepted Answer

A)  0.1 
B)  0.5 
C)  1 
D)  2 
E)  5 
A)  0.1 
B)  0.5 
C)  1 
D)  2 
E)  5

Question 12

The first person to publish a theory that species change over time was

Accepted Answer

A)  Plato 
B)  Lamarck 
C)  Darwin 
D)  Wallace 
E)  Mendel 
A)  Plato 
B)  Lamarck 
C)  Darwin 
D)  Wallace 
E)  Mendel

Question 13

Charles Robert Darwin

Accepted Answer

A)  had a thorough understanding of genetics. 
B)  sailed on a three year survey around the world. 
C)  examined fossil beds in China. 
D)  formulated a theory of natural selection. 
E)  knew little of geological change. 
A)  had a thorough understanding of genetics. 
B)  sailed on a three year survey around the world. 
C)  examined fossil beds in China. 
D)  formulated a theory of natural selection. 
E)  knew little of geological change.

Question 14

Match the type of chromosome mutation with its effect.
-Inversion

Accepted Answer

A)  loss of part of the chromosome 
B)  added amount of some genes 
C)  chromosome breakage, re-positioning and re-fusing 
D)  the exchange of segments between two non-homologous chromosomes 
A)  loss of part of the chromosome 
B)  added amount of some genes 
C)  chromosome breakage, re-positioning and re-fusing 
D)  the exchange of segments between two non-homologous chromosomes

Question 15

Over long periods of time, natural selection leads to

Accepted Answer

A)  mutation. 
B)  adaptation. 
C)  hybridization. 
D)  dominance. 
E)  true breeding lines. 
A)  mutation. 
B)  adaptation. 
C)  hybridization. 
D)  dominance. 
E)  true breeding lines.

Question 16

Studies on the Glanville fritillary butterfly in Finland showed that just one generation of brother-sister mating causes

Accepted Answer

A)  increased number of eggs to be laid. 
B)  increased hatching of eggs. 
C)  reduced caterpillar survival. 
D)  increased caterpillar parasitism. 
E)  increased genetic variability. 
A)  increased number of eggs to be laid. 
B)  increased hatching of eggs. 
C)  reduced caterpillar survival. 
D)  increased caterpillar parasitism. 
E)  increased genetic variability.

Question 17

Elephant seals have a smaller effective population size than real population size due to the effects of

Accepted Answer

A)  inbreeding. 
B)  genetic drift. 
C)  a harem mating structure. 
D)  an extinction vortex. 
E)  All of these 
A)  inbreeding. 
B)  genetic drift. 
C)  a harem mating structure. 
D)  an extinction vortex. 
E)  All of these

Question 18

Match the following names with their definitions.
-Effective population size

Accepted Answer

A)  mating between closely related individuals 
B)  random changes in allele frequencies over time 
C)  the number of individuals that contribute genes to future populations 
D)  the likelihood that, in a small population, some individuals will fail to mate successfully 
A)  mating between closely related individuals 
B)  random changes in allele frequencies over time 
C)  the number of individuals that contribute genes to future populations 
D)  the likelihood that, in a small population, some individuals will fail to mate successfully

Question 19

In polluted areas ________ forms of peppered moths are __________ conspicuous to birds on __________ tree trunks.

Accepted Answer

A)  normal; more; lichen-covered 
B)  melanic; less; lichen-covered 
C)  melanic; less; dark-colored 
D)  melanic; more; dark-colored 
E)  all the above statements are false 
A)  normal; more; lichen-covered 
B)  melanic; less; lichen-covered 
C)  melanic; less; dark-colored 
D)  melanic; more; dark-colored 
E)  all the above statements are false

Question 20

Match the type of chromosome mutation with its effect.
-Deletion

Accepted Answer

A)  loss of part of the chromosome 
B)  added amount of some genes 
C)  chromosome breakage, re-positioning and re-fusing 
D)  the exchange of segments between two non-homologous chromosomes 
A)  loss of part of the chromosome 
B)  added amount of some genes 
C)  chromosome breakage, re-positioning and re-fusing 
D)  the exchange of segments between two non-homologous chromosomes

Exam 2: Population Genetics

A recent genetic analysis has shown that at one point, as few as _____ Florida panthers were alive.

An individual with two identical copies of a gene is said to be

Match the type of chromosome mutation with its effect. -Duplication

The best explanation for species distributions is that each region supports the fauna and flora best adapted to it.

The Hardy-Weinberg equation states that p2 +2pq + q2 = 1; the genotype frequency of heterozygotes is represented by

The percentage of individuals exhibiting a recessive disease in a population is 0.04, which is 4% based on a Hardy-Weinberg equilibrium. What percentage of individuals would be expected to be heterozygous carriers?

Match the scientist with their discovery -Malthus

Match the scientist with their discovery -Mendel

In which plant mating system would genetic variability decline slowest?

Match the continents with their fauna -Africa

Robert Lacey showed that in a population of 120 individuals, at least ______ immigrant(s) every generation would be sufficient to counter genetic drift.

The first person to publish a theory that species change over time was

Charles Robert Darwin

Match the type of chromosome mutation with its effect. -Inversion

Over long periods of time, natural selection leads to

Studies on the Glanville fritillary butterfly in Finland showed that just one generation of brother-sister mating causes

Elephant seals have a smaller effective population size than real population size due to the effects of

Match the following names with their definitions. -Effective population size

In polluted areas ________ forms of peppered moths are __________ conspicuous to birds on __________ tree trunks.

Match the type of chromosome mutation with its effect. -Deletion

An Introduction to Ecology

Natural Selection, Speciation, and Extinction

Behavioral Ecology

Temperature

Water

Nutrients

Demographic Techniques and Population Patterns

Life Tables and Demography

Population Growth

Competition and Coexistence

Facilitation

Predation

Herbivory

Parasitism

Population Regulation

Species Diversity

Species Richness Patterns

Species Richness and Community Services

Succession

Island Biogeography

Terrestrial Biomes

Marine Biomes

Freshwater Biomes

Food Webs and Energy Flow

Biomass Production

Biogeochemical Cycles

Filters

The Hardy-Weinberg equation states that p² +2pq + q² = 1; the genotype frequency of heterozygotes is represented by

In polluted areas forms of peppered moths are conspicuous to birds on ____ tree trunks.