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Cell cycle, mitosis, and meiosis

Total questions: 73

Worksheet time: 54mins

Name
Class
Date
1.

Which of the following best describes cancer?

a)

absence of cyclins in the DNA

b)

Multiple gene mutations on a chromosome of DNA

c)

Uncontrolled cell growth caused by mutations in genes that control the cell cycle.

d)

Presence of genetic defects caused by hereditary disorders.

2.
Which of the following phases of mitosis is represented by the diagram below? 
a)
Prophase
b)
Metaphase 
c)
Anaphase 
d)
Telophase 
3.
What letter correctly represents structure X in the diagram? 
a)
Spindle fibers
b)
Cleavage Furrow 
c)
Chromosomes
d)
Centrioles
4.

Which of the following is not a cell that can go through mitosis?

a)

Heart cell

b)

skin cell

c)

Sperm

d)

Liver cell

5.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
6.
a)

metaphase

b)

Anaphase

c)

Telophase

d)

Prophase

7.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
8.
Place these cells in order of mitosis.
a)
A, B, C, D, E
b)
B, E, D, A, C
c)
C, E, A, D, B
d)
B, D, A, E, C
9.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
10.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
11.
The daughter cells in mitosis are...
a)
Identical
b)
Unique
12.
During the ___ phase, DNA is replicated.
a)
G1
b)
S
c)
G2
d)
M
13.

Chromosomes are made up of two identical sister _____________.

a)

chromatin

b)

nuclei

c)

chromatids

d)

genes

14.
G1, S, and G2 phases are combined into one long phase called _____________.
a)
interphase
b)
mitosis
c)
cytokinesis
d)
cell cycle
15.

There are a TOTAL of ___ chromosomes in human somatic cells.

a)

23

b)

46

c)

92

d)

scientists don't know

16.
The point on the chromosome where the two chromatids are held together is the
a)
centromere
b)
centriole
c)
chromosome
d)
chromatid
17.
Which of the following describes the purpose of the mitosis cell cycle?
a)
To make more of the same cells.
b)
For growth and repair.
c)
To prevent the cell from becoming too large.
d)
All of the above.
18.
How does cytokinesis differ in plant and animal cells?
a)
Cytokinesis only takes place in animal cells.
b)
Cytokinesis only takes place in plant cells.
c)
Plant cells form a cell plate, animal cells form a cleavage furrow.
d)
Animal cells form a cell plate, plant cells form a cleavage furrow.
19.
Which cell structure produces the spindle fibers?
a)
Centromeres
b)
Centrioles
c)
Chromatids
d)
Ribosomes
20.

The three stages in cell division are:

a)

Interphase

b)

Mitosis

c)

Cytokenesis

d)

All of the above

21.

A chromosome is composed of two identical sister

a)

centromeres

b)

chromatids

c)

autosomes

d)

somatic cells

22.

Chromosomes contain genetic information in the form of

a)

DNA

b)

histone

c)

centromere

d)

karyotypes

23.

Sister chromatids are held together by a

a)

histone core

b)

chromatin

c)

nucleosome

d)

centromere

24.
When DNA is in its less coiled, "relaxed," state, between cell divisions, it is called
a)
autosomes
b)
chromatid
c)
chromatin
d)
centromere
25.
The structures labeled B are
a)
centrioles
b)
chromatids
c)
centromeres
d)
chromopheres
26.

Spindle fibers attach to these on the chromatids and move the chromosomes around.

a)

histone core

b)

chromatin

c)

nucleosome

d)

kinetochores

27.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
28.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
29.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
30.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
31.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
32.

The chromosomes that pair up during meiosis I, are called __________ chromosomes.  

a)
homozygous 
b)
asexual
c)
homologous
d)
genes
33.
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)
34.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
35.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
36.
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
37.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
38.
What phase is  shown in the picture?
a)
metaphase 2
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
39.
products of meiosis are genetically
a)
different
b)
identical
40.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
41.
Which of the following represents chromosome # during fertilization?
a)
n+n=2n
b)
n=n
c)
2n=n+n
d)
2n=2n
42.
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
43.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
44.

What is the difference between cell 1 and cell 2?

a)

Chromosomes in cell 2 have been replicated, but they have not been in cell 1.

b)

There are 4 chromosomes in cell 1 and 8 chromosomes in cell 2

45.

When a haploid sperm fertilizes a haploid egg, the resulting cell will be diploid. What is the name of the resulting cell?

a)

sex cell

b)

germ cell

c)

zygote

d)

baby cell

46.

In humans, the haploid number of chromosomes is ____.

a)

23

b)

46

c)

69

d)

92

47.

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

a)

Anaphase I

b)

Metaphase I

c)

Prophase I

d)

Telophase I

48.

Which of the following are CORRECT observations about the differences between MITOSIS and MEIOSIS? (Check all that apply.)

a)

Mitosis produces cells that identical to the parent cell.

b)

Meiosis produces cells that have half the number of chromosomes as the parent cell.

c)

All cells go through INTERPHASE as part of the cell cycle, whether it goes to mitosis or meiosis next.

d)

In both types of cell division, the chromosomes are only duplicated once.

e)

Only in Mitosis, do you see chromosomes pair up to form a tetrad.

49.

Which part of MEIOSIS is identical to MITOSIS?

a)

Meiosis I

b)

Meiosis II

50.

What phase is this?

a)

Prophase I

b)

Metaphase II

c)

Anaphase I

d)

Telophase II

51.

What phase is this?

a)

Telophase I

b)

Prophase II

c)

Metaphase I

d)

Anaphase II

52.

What phase is this?

a)

Metaphase I

b)

Prophase II

c)

Telophase I

d)

Anaphase II

53.

What phase is this?

a)

Metaphase II

b)

Prophase II

c)

Telophase I

d)

Anaphase I

54.

What phase is this?

a)

Metaphase II

b)

Prophase I

c)

Telophase I

d)

Anaphase I

55.

What phase is this?

a)

Metaphase II

b)

Prophase I

c)

Telophase I

d)

Anaphase II

56.

What phase is this?

a)

Telophase II

b)

Anaphase II

c)

Telophase I

d)

Anaphase I

57.

What phase is this?

a)

Anaphase II

b)

Telophase I

c)

Telophase II

d)

Anaphase I

58.

By looking at the chromosomes how can you tell that this person is biologically female?

a)

Because there are two X chromosomes

b)

Because there are more chromosomes than in a male

59.

By looking at the chromosomes is this individual biologically male or female? How do you know?

a)

Female, because they have two X chromosomes

b)

Male, because they have one X and one Y chromosome

60.

What is the mutation in this persons chromosomes?

a)

There is only one X

b)

7 is shaped like a hockey stick

c)

There's an extra 21

d)

1 is too curved

61.

This is called Turners syndrome, can you notice the mutation in the chromosomes?

a)

Both chromosomes 1 are bent

b)

There are too many chromosomes

c)

There are too many of chromosome 3

d)

There is no Y chromosome

62.

These are the chromosomes of someone with Kleinfelters syndrome. What is different about their chromosomes?

a)

There is only one Y chromosome

b)

One of the 5th chromosomes is too curved

c)

There is an extra X chromosome

d)

There are too few chromosomes

63.

This disorder is called "Cry of the cat", can you find the chromosomal mutation?

a)

There are too many chromosomes

b)

They are missing the Y chromosome

c)

Chromosome 1 is bent

d)

Chromosome 5 is too short (missing a piece)

64.

This person has Angel Mans syndrome. What is different about their chromosomes?

a)

Chromosome 1 is misshapen

b)

Chromosomes 21 is too small

c)

They are missing one of chromosome 15

d)

Chromosomes 7 and 8 look weird

65.

Based on the karyotype, can you guess the name of this genetic disorder?

a)

Curvy 3

b)

Jacob's syndrome

c)

Triple X

d)

Superwoman syndrome

66.

This is known as Edwards Syndrome, can you identify the chromosomal mutation?

a)

Chromosomes 1 and 2 are bent

b)

There is no Y chromosome

c)

This persons chromosomes are normal

d)

There are 3 of chromosomes 18

67.
What process occurs during meiosis that can result in chromosomal disorders?
a)
crossing over
b)
non-disjunction
c)
anaphase I
d)
prophase II
68.

Full set of chromosomes of a cell arranged with respect to size, shape, and number.

a)

chromatin

b)

karyotype

c)

phenotype

d)

genotype

69.

Constricted region of a mitotic chromosome that holds sister chromatids together.

a)

centromere

b)

nucleosome

c)

telomere

d)

arm

70.

the number of the chromosome in the human somatic cells is ...

(a)  

71.

How many chromosomes does the human haploid set include?

(a)  

72.

What kind of chromosome called autosome?

a)

the chromosomes which have the different structure

b)

this is a pair of chromosomes, which differ chromosomal sets of men and women

c)

this is a pair of chromosomes, which are identical in chromosomal sets of men and women

73.

What are a set of chromosomes called that are the same size with the same DNA.

a)
identical chromosomes
b)
sibling chromosomes
c)
matching chromosomes
d)
homologous chromosomes

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