Question 1

Which of the following does NOT occur in prophase I of meiosis?

Accepted Answer

A)  cytokinesis 
B)  pairing of homologues 
C)  formation of a bipolar spindle 
D)  crossing over 
E)  condensation of chromosomes 
A)  cytokinesis 
B)  pairing of homologues 
C)  formation of a bipolar spindle 
D)  crossing over 
E)  condensation of chromosomes

Question 2

Chromosome segregation in metaphase I refers to which of the following statements?

Accepted Answer

A)  The position where crossing over occurs is random. 
B)  The pole that any one chromosome moves toward is completely independent of the movement of the other 45 chromosomes in humans. 
C)  Either partner of a homologous pair of chromosomes may end up at either spindle pole. 
D)  The sperm that fertilizes the egg is selected at random. 
E)  None of these refer to independent assortment. 
A)  The position where crossing over occurs is random. 
B)  The pole that any one chromosome moves toward is completely independent of the movement of the other 45 chromosomes in humans. 
C)  Either partner of a homologous pair of chromosomes may end up at either spindle pole. 
D)  The sperm that fertilizes the egg is selected at random. 
E)  None of these refer to independent assortment.

Question 3

Classification.Some of the stages of meiosis are listed below.For the following statements, select the best choice of these stages.
a.prophase I
b.metaphase II
c.anaphase I
d.anaphase II
e.telophase I
-Pairing of homologues occurs during this stage.

Accepted Answer

The answer of Classification.Some of the stages of meiosis are...

Question 4

With __________, offspring inherit the same number and kinds of genes from one parent.

Accepted Answer

asexual re

Question 5

Duplicated chromosomes linked together at their centromeres at the beginning of meiosis are appropriately called what kind of chromatids?

Accepted Answer

A)  mother 
B)  daughter 
C)  sister 
D)  homologous 
E)  haploid 
A)  mother 
B)  daughter 
C)  sister 
D)  homologous 
E)  haploid

Question 6

Crossing over

Accepted Answer

A)  increases variability in gametes. 
B)  happens only once per homologue pair. 
C)  occurs between sister chromatids. 
D)  prevents genetic recombination. 
E)  is followed immediately by separation of each of the chromatids. 
A)  increases variability in gametes. 
B)  happens only once per homologue pair. 
C)  occurs between sister chromatids. 
D)  prevents genetic recombination. 
E)  is followed immediately by separation of each of the chromatids.

Question 7

Chromatids are

Accepted Answer

A)  attached at the centriole. 
B)  a pair of chromosomes, one from the mother and one from the father. 
C)  attached at their centromeres. 
D)  identical until crossing over occurs. 
E)  attached at their centromeres and are identical until crossing over occurs. 
A)  attached at the centriole. 
B)  a pair of chromosomes, one from the mother and one from the father. 
C)  attached at their centromeres. 
D)  identical until crossing over occurs. 
E)  attached at their centromeres and are identical until crossing over occurs.

Question 8

MATCHING
Classification.Answer the following questions by using the five numbers below.
a.10
b.20
c.40
d.60
e.80
-How many ova (eggs) would eventually result from 20 secondary oocytes?

Accepted Answer

The answer of MATCHING
Classification.Answer the following questions by using the...

Question 9

Meiosis typically results in the production of

Accepted Answer

A)  two diploid cells. 
B)  four diploid cells. 
C)  four haploid cells. 
D)  two haploid cells. 
E)  one triploid cell. 
A)  two diploid cells. 
B)  four diploid cells. 
C)  four haploid cells. 
D)  two haploid cells. 
E)  one triploid cell.

Question 10

Classification.Some of the stages of meiosis are listed below.For the following statements, select the best choice of these stages.
a.prophase I
b.metaphase II
c.anaphase I
d.anaphase II
e.telophase I
-During this stage the sister chromatids begin to separate.

Accepted Answer

The answer of Classification.Some of the stages of meiosis are...

Question 11

A pine tree is called a sporophyte because it

Accepted Answer

A)  develops from a germinated spore. 
B)  produces spores by meiosis. 
C)  is haploid. 
D)  undergoes fertilization. 
E)  reproduces by both sexual and asexual means. 
A)  develops from a germinated spore. 
B)  produces spores by meiosis. 
C)  is haploid. 
D)  undergoes fertilization. 
E)  reproduces by both sexual and asexual means.

Question 12

Which of the following cells is NOT haploid?

Accepted Answer

A)  secondary spermatocyte 
B)  sperm 
C)  primary oocyte 
D)  spermatids 
E)  polar bodies 
A)  secondary spermatocyte 
B)  sperm 
C)  primary oocyte 
D)  spermatids 
E)  polar bodies

Question 13

-The above figure represents

Accepted Answer

A)  individual genes from an asexual worm. 
B)  maternal chromosomes that are identical. 
C)  paternal chromosomes that are identical. 
D)  both maternal and paternal chromosomes. 
E)  none of these. 
A)  individual genes from an asexual worm. 
B)  maternal chromosomes that are identical. 
C)  paternal chromosomes that are identical. 
D)  both maternal and paternal chromosomes. 
E)  none of these.

Question 14

-The cell in this illustration is in ____.

Accepted Answer

A)  prophase I. 
B)  metaphase I. 
C)  anaphase I. 
D)  prophase II. 
E)  anaphase II. 
A)  prophase I. 
B)  metaphase I. 
C)  anaphase I. 
D)  prophase II. 
E)  anaphase II.

Question 15

The following questions refer to the figures above.
-Which of the letters in the above figure represents the anther?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  none of these 
A)  A 
B)  B 
C)  C 
D)  D 
E)  none of these

Question 16

Classification.Some of the stages of meiosis are listed below.For the following statements, select the best choice of these stages.
a.prophase I
b.metaphase II
c.anaphase I
d.anaphase II
e.telophase I
-New genetic combinations upon which natural selection can act are present after this stage.

Accepted Answer

The answer of Classification.Some of the stages of meiosis are...

Question 17

Fertilization of plant gametes produces a

Accepted Answer

A)  zygote. 
B)  gametophyte. 
C)  spore. 
D)  meiospore. 
E)  multicellular haploid plant. 
A)  zygote. 
B)  gametophyte. 
C)  spore. 
D)  meiospore. 
E)  multicellular haploid plant.

Question 18

MATCHING
Classification.Answer the following questions by using the five numbers below.
a.10
b.20
c.40
d.60
e.80
-How many sperm would eventually be produced from 20 spermatids?

Accepted Answer

The answer of MATCHING
Classification.Answer the following questions by using the...

Question 19

__________ are regions in an organism's DNA that encode information about heritable traits.

Accepted Answer

The answer of __________ are regions in an organism's DNA...

Question 20

Which of the following will NOT develop into one or more gametes?

Accepted Answer

A)  spermatogonium 
B)  polar bodies 
C)  primary oocyte 
D)  spermatid 
E)  secondary spermatocyte 
A)  spermatogonium 
B)  polar bodies 
C)  primary oocyte 
D)  spermatid 
E)  secondary spermatocyte

Exam 12: Meiosis and Sexual Reproduction

Which of the following does NOT occur in prophase I of meiosis?

Chromosome segregation in metaphase I refers to which of the following statements?

Classification.Some of the stages of meiosis are listed below.For the following statements, select the best choice of these stages. a.prophase I b.metaphase II c.anaphase I d.anaphase II e.telophase I -Pairing of homologues occurs during this stage.

With __________, offspring inherit the same number and kinds of genes from one parent.

Duplicated chromosomes linked together at their centromeres at the beginning of meiosis are appropriately called what kind of chromatids?

Crossing over

Chromatids are

MATCHING Classification.Answer the following questions by using the five numbers below. a.10 b.20 c.40 d.60 e.80 -How many ova (eggs) would eventually result from 20 secondary oocytes?

Meiosis typically results in the production of

Classification.Some of the stages of meiosis are listed below.For the following statements, select the best choice of these stages. a.prophase I b.metaphase II c.anaphase I d.anaphase II e.telophase I -During this stage the sister chromatids begin to separate.

A pine tree is called a sporophyte because it

Which of the following cells is NOT haploid?

-The above figure represents

-The cell in this illustration is in ____.

The following questions refer to the figures above. -Which of the letters in the above figure represents the anther?

Classification.Some of the stages of meiosis are listed below.For the following statements, select the best choice of these stages. a.prophase I b.metaphase II c.anaphase I d.anaphase II e.telophase I -New genetic combinations upon which natural selection can act are present after this stage.

Fertilization of plant gametes produces a

MATCHING Classification.Answer the following questions by using the five numbers below. a.10 b.20 c.40 d.60 e.80 -How many sperm would eventually be produced from 20 spermatids?

__________ are regions in an organism's DNA that encode information about heritable traits.

Which of the following will NOT develop into one or more gametes?

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Startsphotosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information About Species

Lifes Origin and Early Evolution

Viruses and Prokaryotes

Protiststhe Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolutionthe Invertebrates

Animal Evolutionthe Chordates

Animal Evolutionhuman Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters