Question 1

During metaphase ______.

Accepted Answer

A)  the nuclear envelope breaks up 
B)  sister chromatids separate 
C)  centromeres divide 
D)  chromosomes line up in the middle of the cell 
A)  the nuclear envelope breaks up 
B)  sister chromatids separate 
C)  centromeres divide 
D)  chromosomes line up in the middle of the cell

Question 2

What chromosomes belong to a normal human male?

Accepted Answer

A)  22 autosomes and two Y chromosomes 
B)  44 autosomes and two Y chromosomes 
C)  44 autosomes, one X chromosome, and one Y chromosome 
D)  46 autosomes, one X chromosome, and one Y chromosome 
A)  22 autosomes and two Y chromosomes 
B)  44 autosomes and two Y chromosomes 
C)  44 autosomes, one X chromosome, and one Y chromosome 
D)  46 autosomes, one X chromosome, and one Y chromosome

Question 3

Anaphase II is essentially the same as mitotic anaphase except that in anaphase II ______ and in mitotic anaphase ______.

Accepted Answer

A)  the cells are diploid... the cells are haploid 
B)  chromosomes line up double file in the middle of the cell... chromosomes line up single file in the middle of the cell 
C)  crossing over occurs... crossing over does not occur 
D)  the cells are haploid and sister chromatids separate... the cells are diploid and sister chromatids separate 
A)  the cells are diploid... the cells are haploid 
B)  chromosomes line up double file in the middle of the cell... chromosomes line up single file in the middle of the cell 
C)  crossing over occurs... crossing over does not occur 
D)  the cells are haploid and sister chromatids separate... the cells are diploid and sister chromatids separate

Question 4

This diagram of the human life cycle shows that ______.

Accepted Answer

A)  meiosis produces a diploid zygote 
B)  meiosis produces haploid sperm and egg cells 
C)  fertilization produces a haploid zygote 
D)  a diploid zygote undergoes meiosis to produce an adult human 
A)  meiosis produces a diploid zygote 
B)  meiosis produces haploid sperm and egg cells 
C)  fertilization produces a haploid zygote 
D)  a diploid zygote undergoes meiosis to produce an adult human

Question 5

As shown in the following figure,plant cell cytokinesis differs from animal cell cytokinesis because ______.

Accepted Answer

A)  plant cells produce more daughter cells 
B)  plant cells form a cell plate and animal cells do not 
C)  animal cells produce more daughter cells 
D)  animal cells form a cell plate and plant cells do not 
A)  plant cells produce more daughter cells 
B)  plant cells form a cell plate and animal cells do not 
C)  animal cells produce more daughter cells 
D)  animal cells form a cell plate and plant cells do not

Question 6

The karyotype below shows ______.

Accepted Answer

A)  abnormal sex chromosomes 
B)  trisomy 21, a cause of Klinefelter syndrome 
C)  Turner syndrome 
D)  trisomy 21, a cause of Down syndrome 
A)  abnormal sex chromosomes 
B)  trisomy 21, a cause of Klinefelter syndrome 
C)  Turner syndrome 
D)  trisomy 21, a cause of Down syndrome

Question 7

Please read the following paragraph and answer the following question(s).
Amanda's parents realized that her body was not developing properly about the time she was 12 years old. She was shorter than most of her friends and was not going through changes normally associated with female puberty. They took her to a doctor who initially diagnosed Amanda with Turner Syndrome because of her physical features. He ordered a karyotype that confirmed his diagnosis. Amanda was born with only one X chromosome. Although there is no specific cure, the doctor was able to treat her and correct some of the problems associated with the condition. For example, she received growth hormone to improve her growth and estrogen to help her develop the physical changes of puberty.
-With respect to her sex chromosomes,Amanda would be designated as ______.

Accepted Answer

A)  XYY 
B)  XO 
C)  XOY 
D)  XX 
A)  XYY 
B)  XO 
C)  XOY 
D)  XX

Question 8

A karyotype (a chromosome display)would be unable to determine ______.

Accepted Answer

A)  sex 
B)  Down syndrome 
C)  Turner syndrome 
D)  eye color 
A)  sex 
B)  Down syndrome 
C)  Turner syndrome 
D)  eye color

Question 9

Genetic variation is accomplished by all but one of the following.Which is it?

Accepted Answer

A)  the events of meiosis I 
B)  crossing over 
C)  independent assortment 
D)  the events of meiosis II 
A)  the events of meiosis I 
B)  crossing over 
C)  independent assortment 
D)  the events of meiosis II

Question 10

The correct sequence of stages of mitosis is ______.

Accepted Answer

A)  prophase, metaphase, anaphase, telophase 
B)  telophase, prophase, interphase, anaphase, metaphase 
C)  anaphase, interphase, prophase, metaphase, telophase 
D)  interphase, prophase, metaphase, anaphase, telophase 
A)  prophase, metaphase, anaphase, telophase 
B)  telophase, prophase, interphase, anaphase, metaphase 
C)  anaphase, interphase, prophase, metaphase, telophase 
D)  interphase, prophase, metaphase, anaphase, telophase

Question 11

Which of the following is a characteristic seen in prophase I that does not occur in prophase II?

Accepted Answer

A)  Chromosomes move to the middle of the cell. 
B)  Spindle formation occurs. 
C)  Chromosomes have been duplicated. 
D)  Crossing over occurs. 
A)  Chromosomes move to the middle of the cell. 
B)  Spindle formation occurs. 
C)  Chromosomes have been duplicated. 
D)  Crossing over occurs.

Question 12

In meiosis,how does prophase I differ from prophase II?

Accepted Answer

A)  During prophase I there is one diploid cell; during prophase II there are two haploid cells. 
B)  During prophase I chromosomes line up single file in the middle of the cell; during prophase II the chromosomes line up in double file in the middle of the cell. 
C)  During prophase I the chromosomes coil up; the chromosomes are not coiled up during prophase II. 
D)  In prophase I the sister chromatids are attached; in prophase II the sister chromatids are separated. 
A)  During prophase I there is one diploid cell; during prophase II there are two haploid cells. 
B)  During prophase I chromosomes line up single file in the middle of the cell; during prophase II the chromosomes line up in double file in the middle of the cell. 
C)  During prophase I the chromosomes coil up; the chromosomes are not coiled up during prophase II. 
D)  In prophase I the sister chromatids are attached; in prophase II the sister chromatids are separated.

Question 13

The cell cycle results in the production of ______.

Accepted Answer

A)  four cells, each with the same amount of genetic material and the same genetic information 
B)  two cells, each with the same amount of genetic material but with different genetic information 
C)  two cells, each with the same amount of genetic material and the same genetic information 
D)  four cells, each with the same amount of genetic material but with different genetic information 
A)  four cells, each with the same amount of genetic material and the same genetic information 
B)  two cells, each with the same amount of genetic material but with different genetic information 
C)  two cells, each with the same amount of genetic material and the same genetic information 
D)  four cells, each with the same amount of genetic material but with different genetic information

Question 14

Which of these events occurs during anaphase?

Accepted Answer

A)  Sister chromatids separate. 
B)  Chromosomes line up in the middle of the cell. 
C)  The nuclear envelope reappears. 
D)  The nuclear envelope breaks up. 
A)  Sister chromatids separate. 
B)  Chromosomes line up in the middle of the cell. 
C)  The nuclear envelope reappears. 
D)  The nuclear envelope breaks up.

Question 15

What chromosomes belong to a normal human female?

Accepted Answer

A)  22 autosomes and 2 X chromosomes 
B)  44 autosomes and 2 X chromosomes 
C)  44 autosomes, one X chromosome, and one Y chromosome 
D)  46 autosomes and two X chromosomes 
A)  22 autosomes and 2 X chromosomes 
B)  44 autosomes and 2 X chromosomes 
C)  44 autosomes, one X chromosome, and one Y chromosome 
D)  46 autosomes and two X chromosomes

Question 16

During metaphase I,______.

Accepted Answer

A)  crossing over occurs 
B)  homologous chromosomes line up in the middle of the cell 
C)  the nuclear envelope breaks up 
D)  sister chromatids separate and migrate to opposite poles 
A)  crossing over occurs 
B)  homologous chromosomes line up in the middle of the cell 
C)  the nuclear envelope breaks up 
D)  sister chromatids separate and migrate to opposite poles

Question 17

The chromosomes of eukaryotic cells are found in the ______.

Accepted Answer

A)  nucleus 
B)  centriole 
C)  Golgi apparatus 
D)  nucleolus 
A)  nucleus 
B)  centriole 
C)  Golgi apparatus 
D)  nucleolus

Question 18

Upon completion of telophase I and cytokinesis,there is(are)______ cell(s).

Accepted Answer

A)  four haploid 
B)  two diploid 
C)  two haploid 
D)  one diploid 
A)  four haploid 
B)  two diploid 
C)  two haploid 
D)  one diploid

Question 19

During telophase ______.

Accepted Answer

A)  the events of prophase are reversed 
B)  chromosomes line up in the middle of the cell 
C)  sister chromatids separate 
D)  the nuclear envelope breaks up 
A)  the events of prophase are reversed 
B)  chromosomes line up in the middle of the cell 
C)  sister chromatids separate 
D)  the nuclear envelope breaks up

Question 20

Which of the following is the best description of the events of anaphase I?

Accepted Answer

A)  Half of the chromosomes inherited from the mother go to one pole along with half of the chromosomes inherited from the father. 
B)  Sister chromatids separate and the daughter chromosomes migrate to opposite poles. 
C)  Homologous chromosomes randomly separate and migrate to opposite poles. 
D)  All of the chromosomes inherited from the mother go to one pole of the cell, and all of the chromosomes inherited from the father go to the other pole. 
A)  Half of the chromosomes inherited from the mother go to one pole along with half of the chromosomes inherited from the father. 
B)  Sister chromatids separate and the daughter chromosomes migrate to opposite poles. 
C)  Homologous chromosomes randomly separate and migrate to opposite poles. 
D)  All of the chromosomes inherited from the mother go to one pole of the cell, and all of the chromosomes inherited from the father go to the other pole.

Exam 8: Cellular Reproduction: Cells from Cells

During metaphase ______.

What chromosomes belong to a normal human male?

Anaphase II is essentially the same as mitotic anaphase except that in anaphase II ______ and in mitotic anaphase ______.

This diagram of the human life cycle shows that ______.

As shown in the following figure,plant cell cytokinesis differs from animal cell cytokinesis because ______.

The karyotype below shows ______.

A karyotype (a chromosome display)would be unable to determine ______.

Genetic variation is accomplished by all but one of the following.Which is it?

The correct sequence of stages of mitosis is ______.

Which of the following is a characteristic seen in prophase I that does not occur in prophase II?

In meiosis,how does prophase I differ from prophase II?

The cell cycle results in the production of ______.

Which of these events occurs during anaphase?

What chromosomes belong to a normal human female?

During metaphase I,______.

The chromosomes of eukaryotic cells are found in the ______.

Upon completion of telophase I and cytokinesis,there is(are)______ cell(s).

During telophase ______.

Which of the following is the best description of the events of anaphase I?

Introduction- Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy from Food

Photosynthesis: Using Light to Make Food

Patterns of Inheritance

The Structure and Function of DNA

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

Plants, Fungi, and the Move onto Land

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Body's Defenses

Hormones

Reproduction and Development

Nervous, Sensory, and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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Anaphase II is essentially the same as mitotic anaphase except that in anaphase II and in mitotic anaphase .