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CellCycles

Total questions: 189

Worksheet time: 2hrs 50mins

Name
Class
Date
1.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
2.
Chromatid pairs line up in the middle of the cell.
a)
Metaphase
b)
Telophase
c)
Anaphase
d)
Interphase
3.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
4.
A new organism is produced from one parent organism.
a)
Sexual Reproduction
b)
Asexual Reproduction
5.
Mitosis is a type of ________________ reproduction.
a)
Sexual
b)
Asexual
6.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
7.
Chromatid pairs separate and move to opposite ends of the cell
a)
Metaphase
b)
Telophase
c)
Interphase
d)
Anaphase
8.
Chromosomes duplicate, the cell grows and develops
a)
Metaphase
b)
Telophase
c)
Interphase
d)
Anaphase
9.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
10.
Results of cell division or mitosis include all of the following EXCEPT?
a)
growth
b)
repair damaged cells
c)
replace damaged cells
d)
dead cells
11.
Chromatid pairs can be seen, spindle fibers form and nuclear membrane disappears
a)
Metaphase
b)
Telophase
c)
Anaphase
d)
Prophase
12.
Two new nuclei form and the cytoplasm splits
a)
Metaphase 
b)
Telophase
c)
Anaphase
d)
Prophase
13.
How many chromosomes does a human cell have?
a)
42
b)
46
c)
24
d)
64
14.
Which of the following lists, in order, the phases of mitosis?
a)
interphase, metaphase, anaphase, telophase
b)
prophase, metaphase, anaphase, telophase
c)
prophase, metaphase, anaphase, interphase
d)
prophase, anaphase, metaphase, telophase
15.
How many daughter cells are produced in mitosis?
a)
1
b)
2
c)
4
d)
6
16.
DNA is replicated during the ______ phase of the cell cycle.
a)
G1
b)
Synthesis
c)
G2
d)
G0
17.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
18.
Structure B is pointing to the _____. 
a)
chromosome
b)
centromere
c)
DNA
d)
chromatid
19.
Structure C is pointing to one ____. 
a)
sister chromatid
b)
chromosome
c)
centromere
d)
gene
20.

How many chromosomes are normally found in human body cells?

a)

46

b)

23

c)

26

d)

44

21.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome 
22.
Identify the phase of mitosis.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
23.
Which phase comes NEXT?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
24.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
25.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
26.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
27.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
28.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
29.

In which cell below would a student likely observe a cell plate during mitosis?

a)

rat muscle cell

b)

alligator stomach cell

c)

onion root cell

d)

human lung cell

30.

Centrioles would most likely be found in ______.

a)

geranium leaf cells

b)

mushroom spore cells

c)

E. coli bacterial cells

d)

human muscle cells

31.
A process where one cell forms two identical daughter cells is called...
a)
cell cycle
b)
cell division (mitosis)
c)
interphase
d)
cytokinesis
32.
The cell cycle is ______________.
a)
the process of cells circling throughout the body
b)
the process of splitting the organelles
c)
a process where one cell gets energy
d)
the sequence of stages of growth and division that a cell undergoes
33.
During interphase the cell ___________.
a)
divides into two cells
b)
divides its nucleus
c)
replicates its DNA
d)
replicates the organelles within the cell
34.
What does DNA stand for?
a)
DeNatured Acid
b)
DomiNant Acid
c)
DeoxyriboNucleic Acid
d)
DiriboNucleic Acid
35.
Replication is when __________.
a)
the cell makes a copy of its DNA in nucleus 
b)
the cell forms 2 identical cells
c)
the cell produces 2 sets of organelles
d)
the cell continues to complete the same function
36.
Where does replication occur within the cell?
a)
in the cytoplasm
b)
in the nucleus 
c)
in the ribosome
d)
in the chromatin
37.
After interphase is completed the cell moves into the next stage of the cell cycle called _________.
a)
anaphase
b)
cytokinesis
c)
metaphase
d)
mitosis
38.
Mitosis is made up of how many phases?
a)
4
b)
5
c)
6
d)
7
39.
The genetic material that has the instructions for how the cell is to be run is called the _________.
a)
nucleus
b)
chromatin
c)
chromatid
d)
carbohydrate
40.
The genetic material that has the instructions for how the cell is to be run is called the _________.
a)
nucleus
b)
chromatin
c)
chromatid
d)
carbohydrate
41.
What is one half or one rod of the condensed chromatin called?
a)
DNA
b)
chromatin
c)
chromatid
d)
chromosome
42.
What is the  two daughter strands of replicated chromatin that are condensed into two rod shaped structures and connected by a centromere called?
a)
DNA
b)
chromatin
c)
chromatid
d)
chromosome
43.
The following describes __________ during mitosis. The chromatin condenses and spindle fibers form at each side of the cell. The nuclear membrane breaks apart.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
44.
The following describes ________  during mitosis. The chromosomes line up along the center of the cell and the spindle fibers attach to each chromosome at the centromere.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
45.
The following describes _________ during mitosis. The spindle fiber splits the centromere and the chromatids move to opposite sides of the cell.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
46.
What is the correct term for "the sequence of stages of growth and division that a cell undergoes"?
a)
cell
b)
cell cycle
c)
cell plate
d)
centriole
47.
What is the correct term for "the basic building block of all living organisms"?
a)
cell
b)
cell cycle
c)
cell plate
d)
centriole
48.
What is the correct term for "develops in the middle plane of a plant cell separating it into two daughter cells during cell division"?
a)
cell
b)
cell cycle
c)
cell plate
d)
centriole
49.
What is the correct term for "cylinder-shaped organelles found in animal cells which help to form spindle fibers during cell division"?
a)
centriole
b)
nucleus
c)
spindle fibers
d)
cytokinesis
50.
What is the correct term for "contains the genetic material (DNA) and serves as the control center of the cell"?
a)
centriole
b)
nucleus
c)
spindle fibers
d)
cytokinesis
51.
What is the correct term for "form during prophase of mitosis and attach to chromosomes at the centromere to pull them apart during cell division"?
a)
centriole
b)
nucleus
c)
spindle fibers
d)
cytokinesis
52.

Which of the following phases is the first step in mitosis?

a)

Anaphase

b)

Metaphase

c)

Prophase

d)

Interphase

53.

Mature red blood cells have no nuclei. This means that they cannot-

a)

make copies of themselves

b)

transport substances

c)

use energy

d)

move

54.

Which phase of mitosis is this diagram representing

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

55.

After cell division, a daughter cell will have properties like the parent cell because

a)

enzymes control cell division

b)

DNA is replicated prior to cell division

c)

proteins are created when a cell divides

d)

chromosomes change structure when a cell divides

56.

The two copies of each chromosome that are the same size, same shape and carry genes for the same traits are called

a)

maternal

b)

paternal

c)

homeostasis

d)

homologous

57.

Bacteria reproduce using

a)

mitosis

b)

binary fission

c)

meiosis

d)

binary duplication

58.

What is the correct sequence for plant cell mitosis?

a)

DAEBC

b)

CBEAD

c)

BCDEA

d)

CDAEB

59.

What does the letter b represents on the chromosome diagram?

a)

centromere

b)

chromatid

c)

chromatin

d)

centriole

60.

Which phase does replication of the DNA occurs?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

e)

interphase

61.

Which phase would be seen next

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

62.

_________ is the DNA-protein complex that is organized into chromosomes before cell division.

a)

Chromatin

b)

Chromoform

c)

Chromoplastin

d)

Chromophyll

63.

Identify the parts of the chromosome in the diagram.

a)

A. centromere, B. chromatid

b)

A. centrosome, B. chromatin

c)

A. centrosome, B. centromere

d)

A. centromere, B. chromatin

64.

Cells do not normally have identical copies of their chromosomes (sister chromatids). During what phase of the cell cycle are the sister chromatids formed?

a)

Synthesis

b)

Gap 1

c)

Gap 2

d)

Mitosis

65.

The human genome consists of ____ pairs of chromosomes.

a)

23

b)

46

c)

92

d)

12

66.

Chromosome pairs 1-22 are called ________ chromosomes.

a)

autosomal

b)

sex

c)

diploid

d)

haploid

67.

Pair 23 determines the gender of an individual. What is the gender of the person whose karyotype is shown?

a)

Female

b)

Male

68.

Typically, ___________ lasts for at least 90% of the total time required for the cell cycle.

a)

Mitosis

b)

G1

c)

G2

d)

S

e)

Interphase

69.

Mitosis is an ____________ process.

a)

asexual

b)

sexual

70.

Check all that apply.

Mitosis produces _________ cells.

a)

somatic

b)

diploid

c)

identical daughter

d)

diverse parent

71.

Chromosome pairs (one from each parent) that are similar in length, gene position, and centromere location.

a)

homologous

b)

heterogeneous

c)

homogeneous

d)

homozygous

72.

The term diploid describes the presence of ___________ in a cell.

a)

paired homologous chromosomes

b)

single unduplicated chromosomes

c)

multiple nuclei

d)

separate chromatids

73.

According to the karyotype below, the Maned Sloth has a diploid chromosome number of ______.

a)

46

b)

23

c)

25

d)

50

74.

Duplicated chromosomes separate into sister chromatids and are pulled to the poles of the during __________.

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

75.

Condensed chromosomes are first visible, the nucleus dissolves, and the spindle fibers from the centrioles during __________.

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

76.

Daughter nuclei form, chromatin uncoils, mitotic spindle disappears, and two daughter cells form during _________.

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

77.

Duplicated chromosomes align along the equator of the cell during _________.

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

78.

The steps of mitosis in the last four questions were out of order. What is the correct order of mitosis?

a)

prophase-metaphase-anaphase-telophase

b)

prophase-anaphase-metaphase-telophase

c)

prophase-metaphase-telophase-anaphase

d)

prophase-telophase-metaphase-telophase

79.

__________ happens simultaneously with telophase and is the division of the cytoplasm into the daughter cells.

a)

cytokinesis

b)

cytochromation

c)

cytogenesis

d)

cytosolisis

80.

Plant cells have walls, so cytokinesis cannot proceed with a cleavage furrow as it does in animal cells. Instead, during telophase a __________ forms across the cell as the wall is rebuilt.

a)

cell plate

b)

cell separation

c)

cell divide

d)

cell barrier

81.

The cell cycle is controlled at three __________ that help ensure the integrity of the cell.

a)

checkpoints

b)

stoplights

c)

weigh stations

d)

interchanges

82.

Cells that do not heed the normal signals that regulate the cell cycle and divide out of control can result in ________.

a)

cancer

b)

pneumonia

c)

malaria

d)

heart disease

83.

Quizzes should always end on a number divisible by 5 or 2, so pick + to get this one right.

a)

-

b)

+

c)

-

d)

-

84.

In males, the end product of meiosis will be

a)

2 identical daughter cells or somatic cells

b)

4 identical germ cells

c)

4 diverse ova that are 2n

d)

4 diverse sperm that are 1n

85.

In females, the product of meiosis will be

a)

2 diverse daughter cells that are 2n

b)

1 diverse ova (egg) and 3 oobodies that are 1n

c)

4 diverse egg cells that are 2n

d)

2 diverse sperm cells and 2 identical egg cells all 1n

86.

2n cells are diploid while 1n cells are

a)

somatic cells

b)

body cells

c)

haploid

d)

triploid

87.

Egg and sperm, the human gametes, both contain

a)

half of the genetic material of humans.

b)

46 chromosomes

c)

X chromosomes

d)

diploid number of chromosomes

88.

You receive

a)

genetic information from both of your parents

b)

only dominant traits from you dad and recessive traits from your mom

c)

genetic information from only one of your parents

d)

no genetic information from your parents

89.

The process that ensures genetic diversity during meiosis is

a)

transcription

b)

PMAT

c)

Crossing over

d)

Interphase

90.

The picture shows

a)

mutations

b)

translocation mutation

c)

crossing over in prophase I

d)

crossing over in prophase 2

91.

Crossing over helps us understand

a)

where new trait combinations in offspring come from.

b)

how mutations may occur.

c)

where genes are located on chromosomes

d)

the stability of the gene pool.

92.

When traits appear in offspring that are not apparent in their parents, this can be attributed to

a)

mutations that occur during mitosis

b)

sorting and recombination of genes during meiosis.

c)

body cells that undergo crossing over during mitosis

d)

recessive traits that outnumber the dominant traits.

93.

Crossing over occurs

a)

P2

b)

P1

c)

M2

d)

Mitosis

94.

Cells finally become haploid

a)

after M2

b)

before M1

c)

T1

d)

they start off haploid

95.

the reason gametes must be haploid (1n)

a)

the sperm cell isn't large enough to be 2n

b)

each gamete contributes half the chromosomes for the new organism.

c)

i can't think of any other plausible wrong answer

d)

i want 15 questions....

96.

Meiosis is known as

a)

a multiple division

b)

a reduction division

c)

an inter-species division

d)

a diverse division

97.

Mitosis occurs in ____________ cells while Meiosis occurs in _______________ cells

a)

germ, gametes

b)

body, somatic

c)

somatic, sex

d)

sex, germ

98.

Mitosis ends with ______________________ while meiosis ends with

a)

2 identical daughter cells (2n), 4 diverse gametes (1n)

b)

2 diverse daughter cells (1n), 4 identical somatic cells (2n)

c)

4 identical daughter cells, 1 egg and 3 oobodies

d)

2 sperm cells (2n), 2 egg cells (1n)

99.
Which process increases the variability of genetic information?
a)
Mitosis
b)
Meiosis
100.
What process controls the future function or role of a cell?
a)
cell transformation
b)
RNA translation
c)
cell differentiation
d)
DNA transcription
101.
Which of the following best describes meiosis?
a)
cell division that occurs only in the reproductive structures of an organism
b)
process prior to the first stage of the cell division
c)
occurs in all cells of the body system
d)
cell division that occurs in the repair process of damaged skin cells
102.
The diagram above illustrates a process that occurs during meiosis. The likely result of this process is..?
a)
mutation in gametes
b)
genetically diverse gametes
c)
new types of cells forming
d)
cancer cells in the ovaries
103.
How many daughter cells result from meiosis?
a)
2
b)
4
c)
6
d)
8
104.
How do stem cells become specialized cells, like nerve cells, bone cells, or muscle cells?
a)
by expressing certain combinations of genes
b)
by expressing certain combinations of genes
c)
by expressing certain combinations of genes and repressing others
d)
by expressing all genes
105.
What technique is best for matching evidence left at a crime scene with a suspect's nasal swab?
a)
gene therapy
b)
recombining DNA
c)
genetic engineering
d)
DNA fingerprinting 
106.
The separation of DNA fragments using electric current is called ______ and the banding patterns that result can be used to _______.
a)
chromosome painting; produce proteins
b)
electrophoresis; compare various genomes for similarities
c)
polymerase chain reaction; make copies of a small portion of DNA
d)
restrictive sorting; analyze DNA structures in various organisms
107.
Electophoresis draws individual strands of DNA across a gel gradient. This process displays the length of each piece of DNA in a unique code of lines. This allows scientists to-
a)
accurately identify and distinguish certain strands of DNA from others
b)
recombine pieces of DNA from two or more organisms
c)
study an organism's chromosomes and check for abnormalities
d)
genetically modify an organism's DNA
108.
Identify the phase:
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
109.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
110.
Identify the process.
a)
Mitosis
b)
Meiosis I
c)
Meiosis II
d)
Interphase
111.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
112.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
113.
The pair of chromosomes that contain the same genes (but may be coded differently) and are inherited from a male and female parent are termed ___.
a)
gametes
b)
alleles
c)
zygote
d)
homologs
114.
The fertilized egg is termed a/an _____.
a)
gamete
b)
allele
c)
homolog
d)
zygote
115.
In mitosis cells are genetically _______, but in meiosis cells are genetically ______.
a)
diverse, identical
b)
identical, diverse/different
116.

Is the following cell diploid or haploid?

a)

Diploid

b)

Haploid

117.
When does replication of chromosomes occur in animal cell meiosis?
a)
Before Meiosis I and Meiosis II
b)
Before Meiosis II Only
c)
Before Meiosis I Only
d)
During Prophase I and Prophase II
118.
Identify the phase.
a)
Telophase I
b)
Telophase II
c)
Metaphase I
d)
Metaphase II
119.
This type of RNA moves amino acids to the ribosomes.
a)
mRNA
b)
tRNA
c)
rRNA
120.
Meiosis is the _____.
a)
 nuclear division of gametes
b)
nuclear division of body cells
c)
division of body cells
d)
division of sex cells
121.
In sexual reproduction, chromosome reduction is necessary to ___.
a)
ensure that all offspring have the correct diploid number of chromosomes
b)
ensure that all offspring have the correct haploid number of chromosomes
c)
ensure that all daughter cells are identical
122.

1n indicates that the cell is ____.

a)

Diploid

b)

Haploid

123.

This type of asexual reproduction has the offspring growing off of the parent.

a)

Budding

b)

Regeneration

c)

Runner

d)

Binary Fission

124.

This type of asexual reproduction occurs when pieces of the parent divide to form new organisms.

a)

Regeneration

b)

Binary Fission

c)

Budding

d)

Runner

125.

Is this a normal human karyotype?

a)

YES

b)

NO

126.

Is this karyotype for a male or female?

a)

MALE

b)

FEMALE

127.

Mitosis makes sure that all daughter cells are _____.

a)

genetically identical, diploid

b)

genetically identical, haploid

c)

genetically diverse, diploid

d)

genetically diverse, haploid

128.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
129.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
130.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
131.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
132.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
133.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
134.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad (pair of chromosomes, one from mom and one from dad)
b)
triad
c)
diploid
d)
quad (group of 4 replicated chromosomes, 2 from mom and 2 from dad)
135.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
136.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
137.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
138.
Which of the following best describes meiosis?
a)
It is carried out in all tissues theat require cell replacement
b)
It occurs only in cells in the reproductive structures of an organism
c)
It happens in all of the tissues except the brain and spinal cord
d)
It is the first stage of mitosis
139.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
140.
What phase is  shown in the picture?
a)
metaphase 2
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
141.
products of meiosis are genetically
a)
different
b)
identical
142.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
143.
Which of the following represents chromosome # during fertilization?
a)
n+n=2n
b)
n=n
c)
2n=n+n
d)
2n=2n
144.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
145.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
146.

There are 78 cells with 18 chromosomes. How many daughter cells will there be after mitosis and how many chromosomes are there in each?

a)

78 cells with 18 chromosomes

b)

156 cells with 9 chromosomes

c)

112 cells with 9 chromosomes

d)

156 cells with 18 chromosomes

147.

There are 210 spermatogonia with 20 chromosomes. How many spermatids are produced after spermatogenesis and how many chromosomes are there in each?

a)

420 spermatids with 10 chromosomes

b)

840 spermatids with 10 chromosomes

c)

840 spermatids with 20 chromosomes

d)

420 permatids with 20 chromosomes

148.

There are 9840 sperms with 15 chromosomes. How many primary spermatocytes were there before first meiosis and how many chromosomes were there in each?

a)

2460 spermatocytes with 15 chromosomes

b)

4920 spermatocytes with 30 chromosomes

c)

4920 spermatocytes with 15 chromosomes

d)

2460 spermatocytes with 30 chromosomes

149.

There are 124 oogonia with 22 chromosomes. How many ova will be produced after oogenesis and how many chromosomes are there in each?

a)

124 oogonia with 11 chromosomes

b)

124 oogonia with 22 chromosomes

c)

372 oogonia with 11 chromosomes

d)

372 oogonia with 22 chromosomes

150.

There are 16 cells with 8 chromosomes. How many daughter cells will there be after 3 consecutive mitotic divisions and how many chromosomes are there in each?

a)

32 cells with 8 chromosomes

b)

128 cells with 8 chromosomes

c)

64 cells with 8 chromosomes

d)

128 cells with 4 chromosomes

151.

There are 420 polar bodies with 5 chromosomes after second meiosis. How many ova are produced and how many chromosomes are there in each?

a)

420 ova with 5 chromosomes

b)

140 ova with 5 chromosomes

c)

210 ova with 10 chromosomes

d)

210 ova with 5 chromosomes

152.

There are 1508 daughter cells with 23 chromosomes. How many parent cells were there and how many chromosomes are in each before mitosis?

a)

377 with 46 chromosomes

b)

1508 with 23 chromosomes

c)

754 with 23 chromosomes

d)

377 with 46 chromosomes

153.

There are 250 secondary spermatocytes with 12 chromosomes. How many spermatozoa are produced after spermatogenesis and how many chromosomes are there in each?

a)

125 spermatozoa with 12 chromosomes

b)

1000 spermatozoa with 24 chromosomes

c)

500 spermatozoa with 24 chromosomes

d)

500 spermatozoa with 12 chromosomes

154.

There are 238 secondary oocytes with 9 chromosomes. How many ova will be produced and how many chromosomes are there in each?

a)

238 ova with 9 chromosomes

b)

476 ova with 18 chromosomes

c)

238 ova with 18 chromosomes

d)

476 ova with 9 chromosomes

155.

There are 1260 primary spermatocytes with 32 chromosomes. How many spermatozoa will be produced after spermatogenesis and how many chromosomes are there in each?

a)

5040 spermatozoa with 32 chromosomes

b)

5040 spermatozoa with 16 chromosomes

c)

315 spermatozoa with 16 chromosomes

d)

315 spermatozoa with 32 chromosomes

156.

How many chromosomes are in a human gamete?

a)

12

b)

23

c)

46

d)

92

157.

What is the process of making an ovum called?

a)

spermatogenesis

b)

oogenesis

c)

oocyte

158.

How many non-functional gametes are made during gametogenesis in females?

a)

1

b)

2

c)

3

d)

4

159.

What is another name for an egg?

a)

sperm

b)

polar bodies

c)

ovum

d)

oogenesis

160.

Gamete formation is a requirement for sexual reproduction.

a)

TRUE

b)

FALSE

161.

Haploid cells result from meiotic process, but NOT occurring in all sexually reproducing organisms.

a)

TRUE

b)

FALSE

162.

What process involves the production of gametes?

a)

Oogenesis

b)

Spermatogenesis

c)

Gametogenesis

163.

Gametogenesis requires meiosis only.

a)

TRUE

b)

FALSE

164.

Where does spermatogenesis happen?

a)

Ovaries

b)

Testes

c)

Oviducts

165.

During meiosis I cytokinesis in oogenesis, the cytoplasm divides unequally.

a)

TRUE

b)

FALSE

166.

This refers to the very small cells left in oogenesis.

a)

Spermatozoa

b)

Oogonium

c)

Polar bodies

167.

This process describes the self-destruction of cells. It is a mode of cell death that occurs under normal physiological conditions.

a)

Apoptosis

b)

Lysis

c)

Inflammation

168.

Unlike males, females begin gametogenesis before birth, while they are developing as an embryo.

a)

TRUE

b)

FALSE

169.

This refers to the random distribution of homologous chromosomes during meiosis.

a)

crossing-over

b)

random fertilization

c)

independent assortment

170.

This occurs during prophase I of meiosis, where chromosomes line up in the process called synapsis, while sections of their DNA are exchanged.

a)

crossing-over

b)

random fertilization

c)

independent assortment

171.

This describes the uncertain fusion of two gametes that have numerous possible outcomes.

a)

crossing-over

b)

random fertilization

c)

independent assortment

172.

Which of the following is not a direct cause of chromosomal errors?

a)

age of the mother

b)

error in mitosis and meiosis

c)

environment

d)

none of the above

173.

This refers to the process where chromosomes or chromatids fail to separate during meiosis.

a)

Apoptosis

b)

Nondisjunction

c)

Non-assortment

174.

This refers to an embryo having an extra chromosome.

a)

monogamy

b)

monosomy

c)

trisomy

175.

This describes an embryo with missing chromosomes.

a)

monotomy

b)

monosomy

c)

trisomy

176.

This is a chromosomal condition seen in female individuals. Affected individuals have small and underdeveloped ovaries, uterus, and oviducts.

a)

Down syndrome

b)

Turner syndrome

c)

Klinefelter syndrome

d)

Trisomy X

177.

The hormone progesterone is produced in the...

a)

pituitary gland and acts on ovary

b)

uterus and acts on pituitary

c)

ovary and acts on uterus

d)

pituitary and acts on uterus

178.

Spermatogonia and Oogonia are what type of cells?

a)

Polyploid

b)

Diploid

c)

Haploid

d)

Somatic

179.

The body diploid cell has 20 chromosomes, an oocyte will contain how many chromosomes

a)

20

b)

80

c)

10

d)

40

180.

The hollow ball formed post fertilization is called the following

a)

Zygote

b)

Gastrula

c)

Blastula

d)

Morula

181.

Will develop into skin cells, nervous tissue and glands

a)

Endoderm

b)

Mesoderm

c)

Ectoderm

d)

Notochord

182.

Will develop into muscle cells, reproductive organs, kidneys and red blood cells

a)

Endoderm

b)

Mesoderm

c)

Ectoderm

d)

Neural plate

183.

Will develop into linings of many organs including the digestive tract and lungs

a)

Endoderm

b)

Mesoderm

c)

Ectoderm

d)

Neural tube

184.

A person who has two identical alleles for a particular gene is ____ for that gene

a)

recessive

b)

homozygous

c)

dominant

d)

heterozygous

185.

During translation, which of the following happens

a)

tRNA is formed

b)

amino acids are linked together to form proteins

c)

mRNA is formed

d)

nucleotide change into amino acids

186.

Which of the following is true of meiosis?

a)

six daughter cells result from two cell divisions

b)

daughter cells are genetically identical to each other

c)

all daughter cells are haploid

d)

one division of the genetic material occurs

187.

In terms of chromosome number, sperm and ova are considered:

a)

haploid

b)

diploid

c)

polyploid

d)

triploid

188.

Which sequence correctly describes the order of events in the cell cycle?

a)

telophase, metaphase, anaphase, prophase, interphase

b)

prophase, anaphase, metaphase, telophase, interphase

c)

interphase, prophase, anaphase, metaphase, telophase

d)

interphase, prophase, metaphase, anaphase, telophase

189.

Which chromosome is the largest?

a)

number 22

b)

number 16

c)

number 1

d)

X chromosome

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