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WorksheetsSet the Pace with Cell Division
Total questions: 50
Worksheet time: 29mins
Name
Class
Date
1.
If there are 20 chromosomes in the egg cells, how many chromosomes would be found in the sperm cells of the same species?
a)
10
b)
20
c)
40
d)
80
2.
Which of the following cell types is formed by meiosis?
a)
muscle cells
b)
skin cells
c)
sperm cells
d)
blood cells
3.
Which statement correctly describes meiosis?
a)
cells divide only once
b)
meiosis does not occur in reproductive cells
c)
the cells produced at the end of meiosis are genetically identical to the parent cell
d)
The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell
4.
The cell membrane pinches in and creates a furrow, ultimately dividing the cytoplasm into 2 cells
a)
Metaphase
b)
Anaphase
c)
Telephase
d)
Cytokinesis
5.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
6.
The chromosomes that pair up during meiosis, are called __________ chromosomes. They are the same length and have genes for the same traits.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
7.
The failure of chromosomes to separate during cell division is...
a)
Nondisjunction
b)
Crossing Over
8.
The swapping of genes between two chromosomes during cell division is called...
a)
Nondisjunction
b)
Crossing Over
9.
Name the process in the picture.
a)
mitosis
b)
meiosis
c)
mutations
d)
punnett squares
10.
During meiosis the body is making sperm or eggs cells (depending on the person). Why is the number of chromosomes half at the end of meiosis?
a)
so that a person can get half of their chromosomes from the sperm (dad) and half from the egg (mom)
b)
because the other chromosomes are destroyed since they aren't used
c)
because meiosis makes cells that are identical to the parent cell
d)
so that a person can get extra chromosomes during mitosis
11.
What process is shown in the picture?
a)
mitosis: division of the nucleus
b)
cell division: creating new cells
c)
crossing over: exchange of genes during meiosis
d)
mutation: mistakes in DNA
12.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
13.
The process on the left is:
The process on the right is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
Right: cloning
c)
Left: mitosis
Right: meiosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
Right: mitosis
14.
Where do eukaryotes store DNA?
a)
the brain
b)
the nucleus of every cell
c)
Your Heart
d)
The Cytoplasm
15.
If an organism has 16 chromosomes in the reproductive cells (gametes), how many chromosomes would be found in the body cells?
a)
16
b)
8
c)
32
d)
64
16.
Structure C is pointing to one ____.
a)
chromatid
b)
chromosome
c)
centromere
d)
DNA
17.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
18.
What is the result of meiosis?
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
19.
A cat has a total of 38 chromosomes in its body cells. How many in its gametes (germ/sex cells)?
a)
38
b)
19
c)
76
d)
10
20.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
21.
What phase is this?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
22.
Nondisjunction is related to a number of serious human disorders. How does nondisjunction cause these disorders?
a)
alters the number of zygotes
b)
alters the chromosome structure
c)
alters the number of gametes
d)
alters the number of chromosomes
23.
Which of the following correctly identifies the order and phases of mitosis?
a)
C-prophase, D-metaphase, E-anaphase, B- telophase
b)
D-prophase, B-anaphase, E-telophase, C-metaphase
c)
C-anaphase, D-prophase, E-metaphase, B-telophase
d)
E-prophase, D-metaphase, B-anaphase, C-telophase
24.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
25.
During which phase do chromosomes become visible because DNA starts to condense preventing tangling and breakage during mitosis?
a)
Prophase
b)
Telophase
c)
Anaphase
d)
Metaphase
26.
The purpose of meiosis is to form ________ cells.
a)
body
b)
sex
c)
somatic
d)
brain
27.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
28.
What is the phase in mitosis where chromosomes separate and move to opposite sides of the cell?
a)
prophase
b)
anaphase
c)
metaphase
d)
interphase
29.
What is the time between cell divisions in the life cycle of the cell called?
a)
anaphase
b)
interphase
c)
prophase
d)
metaphase
30.
Which of the following describes an event that results from mitosis but not meiosis?
a)
Two stages of cell division
b)
Replication of cellular genetic material
c)
Daughter cells that are identical to the parent cell
d)
Four daughter cells that are produced from each parent cell.
31.
Which of the following best describes cancer?
a)
Failure of cytoplasm to divide equally
b)
Failure of chromosomes to separate
c)
Uncontrolled cell growth caused by mutations
d)
An abnormal number of chromosomes
32.
Which statement is true about the structure labeled X, which is a centriole?
a)
Centrioles produce DNA
b)
Centrioles cause cytokinesis
c)
Centrioles are only found in gametes
d)
Centrioles are found in animal cells but not plant cells
33.
During the cell cycle, Interphase consists of the following phases:
1. G1 phase
3. S phase
4. G2 Phase
When does the synthesis of DNA take place?
1. G1 phase
3. S phase
4. G2 Phase
When does the synthesis of DNA take place?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
none of the above
34.
When you start with 1 diploid parent cell, how many identical cells will you have after mitosis occurs?
a)
1
b)
2
c)
3
d)
4
35.
When you start with 1 diploid parent cell, how many daughter cells will you have after meiosis occurs?
a)
1
b)
2
c)
3
d)
4
36.
DNA is replicated during ______ of the cell cycle.
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Anaphase
37.
Which term refers to a chart of an individual’s chromosomes, used to detect genetic conditions?
a)
synapsis
b)
tetrad
c)
centriole
d)
karyotype
38.
Following telophase in animal cells, a cell plate begins to form
a)
True
b)
False
39.
Nondisjunction can result in trisomy (3 of a certain chromosome). Which trisomy causes Down's Syndrome?
a)
Trisomy 47
b)
Trisomy 46
c)
Trisomy 21
d)
Trisomy 23
40.
What determines gender in humans?
a)
the X and Y chromosome
b)
chromosome 21
c)
codominance
d)
epistasis
41.
Which of the following is not true about cancer cells?
a)
Cancer cells are the result of multiple mutations.
b)
Cancer cells may metastasize or move to other parts of the body
c)
Cancer cells' rapid mitosis uses up many resources, leaving healthy cells with less
d)
all of the answers are true about cancer
42.
Why are hair cells normally affected?
a)
Because they are long cells
b)
Because they are everywhere
c)
Because they undergo mitosis often like cancer cells
d)
Because they look like cancer cells
43.
In all species, diploid cells contain ____ of each type of chromosome and haploid cells contain ____ of each type of chromosome.
a)
1, 2
b)
2, 1
c)
46, 23
d)
23, 46
44.
The process shown is
a)
Mitosis
b)
Meiosis
c)
Fertilization
d)
Nondisjunction
45.
During the cell cycle, n and 2n are used to indicate chromosome number. In the fertilization process shown, n refers to the _________ number and 2n refers to the _________ number.
a)
haploid, diploid
b)
diploid, haploid
46.
Since diploid cells have two of every chromosome, their chromosome number will always be
a)
an odd number
b)
an even number
c)
a fraction
d)
none of the answers are correct
47.
Prokaryotes reproduce by dividing into 2 identical cells. This simpler version of mitosis is called
a)
Meiosis
b)
Nondisjunction
c)
Binary Fission
d)
Crossing Over
48.
During one cell cycle involving mitosis, what happens to the amount of DNA in one cell?
a)
It is divided in half and then doubled
b)
It is doubled and then divided in half
c)
It is doubled and then divided in half two times
d)
It stays the same throughout the cycle
49.
Many chemotherapy drugs work by targeting cells that are dividing. One way to do this is to use drugs that affect the ________ because it is only present during cell division.
a)
DNA
b)
Nuclear Envelope
c)
Centriole
d)
Spindle
50.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
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