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Meiosis Review

Total questions: 156

Worksheet time: 2hrs 47mins

Name
Class
Date
1.

What is the scientific term that refers to sex cells?

a)

autosome

b)

gamete

c)

karyotype

d)

chromosome

2.

This term refers to half the normal chromosome number

a)

haploid

b)

2N

c)

diploid

d)

3N

3.

The stage of meiosis where crossing over or the exchange of genetic information happens between pairs of chromosomes

a)

Prophase II

b)

Telophase I

c)

Metaphase II

d)

Prophase I

4.

This term refers to the production of gametes by organisms that reproduce sexually

a)

mitosis

b)

binary fission

c)

meiosis

d)

cloning

5.

The exchange of genetic information that insures that every gamete is unique is referred to as

a)

mitosis

b)

meiosis

c)

reduction division

d)

crossing over

6.

All sperm and egg cells are genetically identical.

a)

TRUE

b)

FALSE

7.

The term that refers to a cell that has its full or complete number of chromosomes is

a)

diploid

b)

N

c)

gamete

d)

haplpoid

8.

At the end of meiosis, how many complete/operational sex cells are created for each original cell?

a)

2 for males; 2 for females

b)

1 for males; 4 for females

c)

4 for males; one for females

d)

1 for males; 1 for females

9.

Crossing over happens when part of the genetic information of one chromosome switches places with the genetic information from another chromosome. Another term for this process is

a)

genetic recombination

b)

genetic reduction

c)

a mutation

d)

nondisjunction

10.

Name the stage: Chromosomes line up in the middle of the cell.

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

11.

Name the stage: two nuclei are formed enclosed by nuclear membranes

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

12.

Name the stage: chromosomes condense and become visible

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

13.

Name the stage: Chromosomes pull away from each other and move to opposite sides of the cell

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

14.

Sea turtles have 56 chromosome in their somatic cells. How many chromosomes are in their gametes?

a)

28

b)

56

c)

112

d)

46

15.

What is another term for body cells?

a)

somatic cells

b)

gamete

c)

stem cell

d)

neural cell

16.

What kind of cells does meiosis produce?

a)

haploid

b)

diploid

17.
What process is shown here?
a)
Genetic Randomization
b)
Cross Over
c)
Allele Switching
d)
Cross Pollination
18.
What phase is shown here?
a)
Telophase I
b)
Metaphase II
c)
Telophase II
d)
Anaphase I
19.
What phase is shown here?
a)
Telophase II
b)
Anaphase II
c)
Metaphase I
d)
Interphase I
20.
What phases is shown here?
a)
Prophase II
b)
Prophase I
c)
Anaphase II
d)
Interphase I
21.
What phase is shown here?
a)
Metaphase II
b)
Telophase I
c)
Telophase II
d)
Metaphase I
22.
What phase is shown here?
a)
Anaphase II
b)
Metaphase I
c)
Anaphase I
d)
Telophase II
23.
What phase is shown here?
a)
Prophase II
b)
Metaphase I
c)
Metaphase II
d)
Anaphase I
24.
What phase is this?
a)
Interphase II
b)
Prophase I
c)
Metaphase I
d)
Anaphase II
25.

What is the purpose of meiosis?

a)

to help the organism grow

b)

to repair damaged cells

c)

to heal injuries

d)

to create diversity in offspring

26.

The daughter cells produced by meiosis are also called __________.

a)

somatic cells

b)

stem cells

c)

germ cells

d)

gametes

27.

Meiosis produces daughter cells that are genetically _________ each other.

a)

identical to

b)

different from

c)

superior to

d)

inferior to

28.

How many daughter cells does meiosis produce?

a)

1

b)

2

c)

3

d)

4

29.

Which part of meiosis produces diversity in gametes?

a)

DNA replication

b)

Prophase

c)

Crossing-over

d)

Cytokinesis

30.

How many cell divisions does meiosis have?

a)

0

b)

1

c)

2

d)

3

31.

If an organism has 24 chromosomes in a body cell, how many will each daughter cell have at the end of meiosis?

a)

6

b)

12

c)

23

d)

24

32.

In humans, the haploid number of chromosomes is ____.

a)

23

b)

46

c)

69

d)

92

33.

Which of the following is the best definition for MEIOSIS?

a)

the process of two haploid cells uniting

b)

the counting of chromosomes within a diploid cell

c)

a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

d)

the equational division of a cell into two identical copies

34.

True or False? Before cells undergo meiosis they pass through interphase first.

a)

true

b)

false

35.

What is unique to Prophase I- is that the duplicated chromosomes pair up to form _______.

a)

a centrosome

b)

a tetrad

c)

the mitotic spindle

d)

sister chromatids

36.

In Anaphase I, the _________ are separated by the pulling of the spindle fibers to opposite poles of the cell.

a)

homologous pairs of chromosomes

b)

sister chromatids

c)

centromeres

d)

centrosomes

37.

Check all of the following that DO occur during Telophase I and cytokinesis.

a)

The separated homologous chromosomes are at opposite poles of the cell.

b)

The cell divides in two.

c)

The chromosomes do not uncoil, since they are getting ready for Meiosis II.

d)

Sister chromatids are pulled away from each other.

38.

At the start of Meiosis II, which of the following is NOT true?

a)

There are two cells.

b)

The cells are haploid.

c)

The chromosomes are paired up as homologues.

d)

DNA is present as two sister chromatids joined at the centromere.

39.

In Metaphase II, _________ line up on equatorial plane.

a)

homologous pairs of chromosomes

b)

single chromosomes (made up of 2 sister chromatids)

c)

tetrads

d)

centrosomes

40.

In Anaphase II, the _________ separate.

a)

Homologues

b)

Sister Chromatids

c)

Tetrads

d)

Centrioles

41.

True or False. In Meiosis II, there are TWO cells that go through each phase at the same time.

a)

true

b)

false

42.

Which of the following does NOT happen during Telophase II?

a)

the nuclei reform

b)

each cell begins to split evenly in two

c)

the chromosomes duplicate

d)

the nuclei contain a haploid number of chromosomes

43.

Which part of MEIOSIS is identical to MITOSIS?

a)

Meiosis I

b)

Meiosis II

44.

The products of MEIOSIS have _______ number of chromosomes.

a)

haploid

b)

diploid

45.

Mitosis is the same as which of the following?

a)

Meiosis I

b)

Meiosis II

c)

Meiosis III

d)

Crossing Over

46.

What phase is this?

a)

Prophase I

b)

Metaphase II

c)

Anaphase I

d)

Telophase II

47.

What phase is this?

a)

Telophase I

b)

Prophase II

c)

Metaphase I

d)

Anaphase II

48.

What phase is this?

a)

Metaphase I

b)

Prophase II

c)

Telophase I

d)

Anaphase II

49.

What phase is this?

a)

Metaphase II

b)

Prophase II

c)

Telophase I

d)

Anaphase I

50.

What phase is this?

a)

Metaphase II

b)

Prophase I

c)

Telophase I

d)

Anaphase II

51.

What phase is this?

a)

Metaphase II

b)

Prophase I

c)

Telophase I

d)

Anaphase I

52.

What phase is this?

a)

Telophase II

b)

Anaphase II

c)

Telophase I

d)

Anaphase I

53.

What phase is this?

a)

Metaphase II

b)

Prophase I

c)

Telophase II

d)

Anaphase I

54.

What phase is this?

a)

Anaphase II

b)

Telophase I

c)

Telophase II

d)

Anaphase I

55.

What phase is this?

a)

Prophase II

b)

Telophase II

c)

Telophase I

d)

Prophase I

56.

What phase is this?

a)

Prophase II

b)

Prophase I

c)

Anaphase II

d)

Anaphase I

57.

What phase is this?

a)

Prophase II

b)

Prophase I

c)

Anaphase II

d)

Anaphase I

58.

What phase is this?

a)

Prophase II

b)

Metaphase I

c)

Anaphase II

d)

Telophase II

59.

What phase is this?

a)

Telophase I

b)

Metaphase I

c)

Metaphase II

d)

Telophase II

60.

What phase is this?

a)

Prophase I

b)

Metaphase I

c)

Metaphase II

d)

Prophase II

61.

What phase is this?

a)

Prophase I

b)

Metaphase I

c)

Metaphase II

d)

Prophase II

62.

A diploid cell...

a)

has 1/2 the amount of chromosomes

b)

has the normal amount of chromosomes (46)

c)

is represented by (n) in meiosis

63.

A haploid cell...

a)

has the complete amount of chromosomes (46)

b)

is represented by (2n)

c)

has 1/2 the amount of chromosomes

64.

Which phrase best describes MEIOSIS?

a)

cell division of somatic cells (normal body cells)

b)

cell division of prokaryotic cells

c)

cell division of gametic cells

65.

When gametes fuse during fertilization, they create a zygote that has_______________ cells.

a)

haploid

b)

diploid

c)

polyploid

66.

One similarity between MITOSIS and MEIOSIS is...

a)

the order of phases (PMAT)

b)

the types of cells that are dividing

c)

where the process is occurring in the organism

67.

Meiosis occurs in the _________________ of organisms.

a)

digestive organs (stomach, intestines)

b)

reproductive organs (testes, ovaries)

c)

sensory organs

(eyes, ears, nose)

68.

How many daughter cells are made at the end of Meiosis l?

a)

2

b)

3

c)

4

d)

6

69.

How many daughter cells are made at the end of Meiosis ll?

a)

2

b)

4

c)

6

d)

8

70.

The daughter cells created in Meiosis are _____________.

a)

identical

b)

non-identical

71.

Crossing over is the process of...

a)

chromosomes separating during Anaphase

b)

tiny pieces being exchanged on two sister chromatids

c)

chromatids lining up in the middle of the cell during Metaphase

72.

During Prophase l of MEISOSI...

a)

the cell is split in two

b)

chromosomes line up in the middle of the cell

c)

crossing over occurs between two chromosomes

73.

If there is a lot of genetic variation in a population,

then there is a greater chance of survival.

a)

TRUE

b)

FALSE

74.

Which is NOT true about sexual reproduction?

a)

only one organism is required to pass on traits

b)

sperm and egg are required for a zygote to form

c)

both parents pass on traits to offspring

75.

Meiosis ensures a constant amount of genetic material in future generations by reducing the number of chromosomes in the daughters cells to ________ that of a parent cell.

a)

1/3

b)

1/4

c)

1/2

76.

Pairs of chromosomes that contain the same genes, but may have different versions are called

a)

chromatids

b)

sister chromatids

c)

homologous pairs

77.

Meiosis is unique in cell division because it can take a ________ parent cell and create _________ daughter cells.

a)

haploid, triploid

b)

diploid, haploid

c)

triploid, haploid

d)

mitotic, meiotic

78.

What is something that is similar between meiosis and mitosis?

a)

the type of daughter cells they make

b)

the amount of genetic material the resulting cells have

c)

the replication of DNA

d)

the location where these two types of cell division take place.

79.

In mitosis, the two resulting cells are

a)

different from the starting cell and identical to each other.

b)

different from the starting cell and different from each other.

c)

identical to the starting cell and different from each other.

d)

identical to the starting cell and identical to each other.

80.

Cells of organism must replicate for ?

a)

growth

b)

repair of damaged cells

c)

replacement of dying cells

d)

all of the answers are right

81.

Before cells can divide, what must be copied?

a)

mitochondria

b)

cytoplasm

c)

DNA

d)

cell wall

82.

The cell spends most of it's life in ________________.

a)

mitosis

b)

cytokinesis

c)

interphase

d)

none of the above

83.

1. Even though humans are approximately 99.9% identical in their genetic makeup, an incredible amount of variation is seen among individuals of the species. This genetic variation is greatly influenced by the process of meiosis.

Of the following events that occur during meiosis, which contributes most to genetic diversity in the human population?

a)

A. Condensation of chromatin during meiosis I

b)

B. Recombination between homologous chromatids during meiosis I

c)

C. Alignment of sister chromatids at the metaphase plate during meiosis II

d)

D. Separation of sister chromatids during meiosis II

84.

. If an organism has an N number of 10 chromosomes (haploid # of 10), how many chromosomes are in a somatic cell (body cell) of this organism (what is the diploid #) ?

a)

a. 20

b)

b. 40

c)

c. 5

d)

d. 100

85.

Which one of the following is a way that Mitosis is different from Meiosis:

a)

a. Meiosis results in 2 daughter cells, while Mitosis produces 4 daughter cells

b)

b. Meiosis results in 4 daughter cells, while Mitosis produces 2 daughter cells

c)

c. Cells produced by meiosis are all genetically different

d)

d. Both b and c are correct

86.

Homologous chromosomes contain genes that code for the same traits, but they carry different versions (alleles) of these genes.

a)

True

b)

false

87.

Homologous chromosomes pair up side-by-side in tetrads along the middle of the cell during what kind of cell division?

a)

a. Mitosis

b)

b. Meiosis

c)

c. Both

d)

d. Neither

88.

During which stage of meiosis do homologous chromosomes separate?

a)

Anaphase I

b)

Anaphase II

c)

Metaphase I

d)

Prophase I

89.

Which of the following best describes the function of telophase in meiosis?

a)

Separation of sister chromatids

b)

Alignment of chromosomes at the cell equator

c)

Reformation of nuclear membranes around chromosomes

d)

Crossing over of genetic material

90.

What is the result of nondisjunction during meiosis?

a)

Decreased genetic diversity

b)

Cells with the correct number of chromosomes

c)

Cells with an abnormal number of chromosomes

d)

Enhanced genetic recombination

91.

What is the difference between sexual and asexual reproduction?

a)

Asexual produces genetically different offspring. Sexual produces genetically identical.

b)

Sexual produces offspring with fewer chromosomes. Asexual produces more.

c)

Sexual produces genetically different offspring. Asexual produces genetically identical.

d)

Sexual reproduction is quicker than asexual.

92.

Which is NOT an Asexual reproduction DISADVANTAGE

a)

No genetic variation

b)

Only need one parent

c)

Bad characteristics are passed on

d)

difficult for organisms to adapt

93.

Combining of egg and sperm

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

94.

Being different

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

95.

Which is NOT a Sexual reproduction DISADVANTAGE

a)

High genetic variation

b)

Can be complicated

c)

smaller population

d)

requires courtship or mating

96.

occurs when a second organism develops from an outgrowth of the original.

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

97.

A type of cell division where the cell divides into two copies

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

98.

a piece of an organism develops into a fully grown copy.

a)

vegetative propagation

b)

budding

c)

fragmentation

d)

binary fission

99.

What are the male and female gametes in PLANTS sexual reproduction?

a)

Sperm

Ovum

b)

Pollen

Ovules

100.

What are the male and female gametes in ANIMAL sexual reproduction?

a)

Sperm

Ovum

b)

Pollen

Ovules

101.

What is the process called where a sperm and egg make a zygote?

a)

Fertilisation

b)

Budding

c)

Fragmentation

d)

Zygotisation

102.

A cell that results from fertilization is called a _?

a)

gamete

b)

sperm

c)

yolk

d)

zygote

103.

Table 1 shows the stage and number of cells and chromosomes per cell at the end of the stage in a  2n=24  organism. Which of the following statements correctly describes the chromosomes in each daughter cell at the end of meiosis  I ?

a)

Each daughter cell contains 12 chromatids. Each chromatid is one of two from a single chromosome with the other one of the pair found in the other daughter cell.

b)

Each daughter cell contains 12 chromosomes, each composed of two chromatids. Since the chromosomes were randomly divided, one daughter cell may contain both of a pair of homologous chromosomes, while the other cell contains both of another pair of homologous chromosomes.

c)

Each daughter cell contains 12 chromosomes, each composed of two chromatids. Each chromosome is one of a pair of homologous chromosomes from the parent cell, with the other homologue found in the other daughter cell.

d)

Each daughter cell contains 24 separate chromatids. Since every two chromatids were originally joined, forming one homologous chromosome, the number of chromatids is divided by two to determine the number of chromosomes.

104.

Both mitosis and meiosis begin with a parent cell that is diploid. Which of the following best describes how mitosis and meiosis result in daughter cells with different numbers of chromosomes?

a)

In mitosis, the chromosomes consist of a single chromatid, which is passed to two haploid daughter cells. In meiosis, the chromosomes consist of two chromatids during the first round of division and one chromatid during the second round of division, resulting in two haploid daughter cells.

b)

In mitosis, synapsis of homologous chromosomes results in four haploid daughter cells after one division. In meiosis, synapsis of homologous chromosomes occurs during the second division and results in four diploid daughter cells.

c)

Mitosis produces one identical daughter cell after one round of division. Meiosis has two rounds of division and doubles the number of chromosomes in the second round of division, producing four diploid cells.

d)

Mitosis produces two identical diploid daughter cells after one round of division. Meiosis produces four haploid daughter cells after two rounds of division.

105.

Saccharomyces cerevisiae is a diploid yeast species that can reproduce either sexually or asexually. An experiment was performed to induce mitotically dividing S. cerevisiae cells in G2 to undergo meiosis. Which of the following best describes the steps these cells will follow to form gametes?

a)

The first division will result in crossing over between homologous chromosomes, and the second division will reduce the original number of chromosomes by half in the daughter cells.

b)

The first division will reduce the number of chromosomes by half for each daughter cell, and the second division will result in each daughter cell having one-fourth of the original number of chromosomes.

c)

The first division will move single chromatids to each daughter cell, and the second division will double the number of chromosomes in each daughter cell.

d)

The first division will reduce the number of chromosomes by half for each daughter cell, and the second division will move single chromatids to each daughter cell.

106.

During prophase  I  replicated homologous chromosomes pair up and undergo synapsis. What testable question is generated regarding synapsis and genetic variability by Figure 1 ?

a)

Is the distance between two gene loci related to crossover rate?

b)

Does crossing over occur more often in some chromosomes than in others?

c)

Is crossing over inhibited by methylation?

d)

Is crossing over promoted by methylation?

107.

Nondisjunction during meiosis can negatively affect gamete formation. A model showing a possible nondisjunction event and its impact on gamete formation is shown in Figure 1. Which of the following best describes the most likely impact on an individual produced from fertilization between one of the daughter cells shown and a normal gamete?

a)

Because nondisjunction occurred in anaphase  I , all gametes will be normal and the resulting individual will be phenotypically normal.

b)

Because nondisjunction occurred in anaphase  I , all gametes will have an abnormal chromosome number and the individual will likely exhibit phenotypic evidence of the nondisjunction event.

c)

Because nondisjunction occurred in anaphase  II , all gametes will be normal and the resulting individual will be phenotypically normal.

d)

Because nondisjunction occurred in anaphase  II , all gametes will have an abnormal chromosome number and the individual will likely exhibit phenotypic evidence of the nondisjunction event.

108.

Which of the following is NOT a source of genetic variation that causes siblings to look different from one another?

a)

Independent assortment

b)

Random fertilization

c)

Crossing Over

d)

Meiosis

e)

All of these are sources of genetic variation

109.

Figure 1 illustrates the  X  and  Y chromosomes during meiosis I and meiosis II of normal spermatogenesis in a mammal species. If the normal spermatogenesis is disrupted, the gametes can have different chromosomes than expected. Which of the following is the most likely cause of one of the four gametes having two  X chromosomes and one having neither an X nor a Y chromosome?

a)

Nondisjunction of the chromosomes during meiosis  I

b)

Nondisjunction of both the X and  Y chromosomes during meiosis  II

c)

Nondisjunction of the Y chromosome during meiosis  II

d)

Nondisjunction of the  X chromosome during meiosis  II

110.

Trisomy 21 is a condition in which a child is born with an extra chromosome in pair 21. Researchers assessed the frequency of children born with trisomy 21 by age of the mothers at birth (maternal age) and primary cause of the error leading to trisomy 21. The findings are presented in Figure 1. Based on the data in Figure 1, which of the following is most likely the primary cause of the pattern of frequency of trisomy 21 births in the selected maternal age-groups?

a)

At older maternal ages, there is an increase in the number of errors during mitosis, which leads to an increase in nondisjunction during egg production.

b)

The incidence of nondisjunction errors in meiosis during sperm production is positively correlated with increasing maternal age.

c)

At older maternal ages, the incidence of errors in meiosis during egg production increases, which leads to an increase in nondisjunction.

d)

Errors in meiosis leading to nondisjunction are more likely to occur during meiosis  I than during meiosis  II

111.

The process of mitosis results in...

a)

four 1N cells

b)

four 2N cells

c)

two 1N cells

d)

two 2N cells

112.

Which of these is NOT part of interphase?

a)

G2

b)

G1

c)

M

d)

S

113.

The process of meiosis results in...

a)

four 1N cells

b)

four 2N cells

c)

two 1N cells

d)

two 2N cells

114.

What is the difference between plant and animal mitosis?

a)

plants use centrioles; animals use a cell plate to split the cell contents

b)

plant cells have a cell plate; animals have a cleavage furrow

c)

animals reduce their chromosome number; plants don't

d)

plants do not go through telophase

115.

A carp, a type of fish, has 52 homologous pairs of chromosomes in its brain cells. How many chromosomes are contained in one of its gametes?

a)

52

b)

13

c)

26

d)

104

116.

The failure of chromosomes to separate during meiosis is known as...

a)

nondisjunction

b)

independent assortment

c)

synapsis

d)

none of these are correct

117.

Mitosis deals with ____ cells, while meiosis deals with the ____.

a)

gametic; somatics

b)

haploid; diploids

c)

somatic; gametes

d)

correct answer is not provided

118.

Cells undergo a round of DNA replication, forming duplicate chromosomes

a)

Interphase

b)

Prophase II

c)

Anaphase II

d)

Prophase I

119.

Each chromosomes pairs with its corresponding homologus chromosome to form a tetrad

a)

Metaphase I

b)

Telophase I & Cytokinesis

c)

Prophase I

d)

Anaphase II

120.

Spindle fibers attach to the chromosomes that are arranged across the middle of the cell

a)

Interphase

b)

Anaphase II

c)

Metaphase I

d)

Telophase II & Cytokinesis

121.

The fibers pull the homologous chromosomes toward opposite ends of the cell

a)

Metaphase I

b)

Prophase I

c)

Anaphase I

d)

Interphase

122.

Meiosis I results in two haploid daughter cells; Meiosis II starts when the cells once again lose their nuclear membranes, chromosomes condense

a)

Metaphase II

b)

Prophase II

c)

Anaphase II

d)

Interphase

123.

The sister chromatids separate and move toward opposite end of the cell

a)

Metaphase I

b)

Prophase II

c)

Anaphase II

d)

Prophase I

124.

In what phase of meiosis does the following occur?

Homologous chromosomes separate and are pulled to opposite sides of the cell by spindle fibers. The sister chromatids of each chromosome remain attached.

a)

Prophase I

b)

Anaphase I

c)

Metaphase I

d)

Telophase I

e)

Prophase II

125.

In what phase of meiosis does the following occur?

Chromosomes are segregated at opposite poles, one group on each side of the cell. Each chromosome consists of two chromatids. (sister chromatids) Cytokinesis begins, forming two daughter cells.

a)

Prophase I

b)

Anaphase I

c)

Metaphase I

d)

Telophase I

e)

Prophase II

126.

In what phase of meiosis does the following occur?

Chromosomes become attached to spindle fibers. Each cell contains one chromosome(sister chromatid) of each type; there are no homologous pairs. 1st phase of Meiosis II

a)

Prophase I

b)

Anaphase I

c)

Metaphase I

d)

Telophase I

e)

Prophase II

127.

In what phase of meiosis does the following occur?

Spindle fibers align the chromosomes (sister chromatids) at the mid-line, or equator, of the cell. The chromosomes are not in pairs.

a)

Prophase I

b)

Anaphase II

c)

Metaphase II

d)

Telophase II

e)

Prophase II

128.

In what phase of meiosis does the following occur?

By the end of meiosis, 4 haploid cells are formed. Each cell has a unique genetic make-up. A nucleus surrounds each set of chromosomes, and the cell carries out normal metabolic activities.

a)

Prophase I

b)

Anaphase II

c)

Metaphase II

d)

Telophase II

e)

Prophase II

129.

In what phase of meiosis does the following occur?

Chromatids (sister chromatids) of the chromosomes separate and are pulled to opposite sides of the cell by spindle fibers.

a)

Prophase I

b)

Anaphase II

c)

Metaphase II

d)

Telophase II

e)

Prophase II

130.

Chromosomes can always be seen in a cell

a)

True

b)

False

131.

A chromosome is composed of two identical sister

a)

centromeres

b)

chromatids

c)

autosomes

d)

somatic cells

132.

The disc shaped protein core that DNA wraps around is called

a)

histone

b)

nucleosome

c)

chromatin

d)

gene

133.

Chromosomes contain genetic information in the form of

a)

DNA

b)

histone

c)

centromere

d)

karyotypes

134.

Sister chromatids are held together by a

a)

histone core

b)

chromatin

c)

nucleosome

d)

centromere

135.

A segment of DNA

a)

nucleosome

b)

gene

c)

histone

d)

chromatin

136.

Made of chromatin and become visible during cell division

a)

chromosomes

b)

histones

c)

mitochondria

d)

nucleosomes

137.

double strand molecule made out of  4 subunits called nucleotides.

a)

Histone

b)

DNA

c)

Chromosome

138.

The loose combination of DNA and proteins

a)

Histone

b)

DNA

c)

Chromosome

d)

Chromatin

e)

Chromatid

139.

One half of the chromosome, contain identical DNA

a)

Histone

b)

DNA

c)

Chromosome

d)

Chromatin

e)

Chromatid

140.

Together the two  identical chromatids

a)

Histone

b)

Sister chromatids

c)

Chromosome

d)

Chromatin

e)

Chromatid

141.

prevent the ends of the chromosome from accidently attaching to each other and they help prevent the lost genes.

a)

telomeres

b)

Sister chromatids

c)

Chromosome

d)

Chromatin

e)

Chromatid

142.
The structures labeled B are
a)
centrioles
b)
chromatids
c)
centromeres
d)
chromopheres
143.
The structure labeled A is a(n)
a)
chromatid
b)
centriole
c)
centromere
d)
chromophere
144.
Which structure is labeled as A in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
145.
Which structure is labeled as B in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
146.
Which structure is labeled as C in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
147.

In the picture, Q is pointing to the center of the image. What is Q?

a)

centriole

b)

chromatid

c)

chromatin

d)

centromere

148.

In the following structure, the circled item is a

a)

chromosome

b)

chromatid

c)

centromere

d)

chromatin

149.

DNA is normally found in the...

a)

chloroplast

b)

nucleus

c)

mitochondria

d)

cytoplasm

150.

Most of the time DNA is found as...

a)

chromosomes

b)

chromatin

c)

nucleus

d)

sister chromatids

151.

example: bacteria

a)

Prokaryotic

b)

Eukaryotic

152.

do not have a nucleus

a)

Prokaryotic

b)

Eukaryotic

153.

example plants and animals

a)

Prokaryotic

b)

Eukaryotic

154.

have a nucleus

a)

Prokaryotic

b)

Eukaryotic

155.

Have membrane bound organelles

a)

Prokaryotic

b)

Eukaryotic

156.

Goes through mitosis

a)

Prokaryotic

b)

Eukaryotic

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