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WorksheetsCell Division
Total questions: 64
Worksheet time: 1hrs 24mins
Name
Class
Date
1.
DNA segments are
a)
gametes
b)
genes
c)
genotypes
d)
hybrids
2.
Matching chromosomes from each parent is called
a)
homologous
b)
heterozygous
c)
homozygous
d)
dominant
3.
The process by which one gamete combines with another is
a)
mitosis
b)
crossing over
c)
meiosis
d)
fertilization
4.
A male sex cell:
a)
egg
b)
zygote
c)
sperm
d)
hybrid
5.
female sex cell:
a)
sperm
b)
hybrid
c)
zygote
d)
egg
6.
What is a process in which chromosomal segments are exchanged between a pair of homologous chromosomes?
a)
fragmentation
b)
cytokinesis
c)
fertilization
d)
crossing over
7.
Meiosis is a form of what?
a)
sexual reproduction
b)
asexual reproduction
c)
crossing over
d)
a hybrid
8.
mitosis is a form of what?
a)
fertilization
b)
crossing over
c)
sexual reproduction
d)
asexual reproduction
9.
A fertilized sex cell is called a
a)
zygote
b)
diploid
c)
gamete
d)
hybrid
10.
An unfertilized sex cell is called a
a)
hybrid
b)
gamete
c)
zygote
d)
genotype
11.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
12.
Goes through P.M.A.T two rounds
a)
Mitosis
b)
Meiosis
c)
Osmosis
d)
Transcription
13.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
14.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
15.
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
16.
Why do we need meiosis?
a)
To double the number of chromosomes going into sex cells
b)
To halve the number of chromosomes going into sex cells
c)
To triple the number of chromosomes going into sex cells
d)
To not change the number of chromosomes going into sex cells
17.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
18.
Which of the following is NOT a gamete (sex cell)?
a)
egg
b)
sperm
c)
skin cell
d)
all of the above are gametes
19.
How many daughter cells are produced at the end of meiosis?
a)
1
b)
2
c)
3
d)
4
20.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
heterozygous
b)
asexual
c)
homologous
d)
genes
21.
What is one of the advantages, why is it better to reproduce sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
22.
When a cell is not actively dividing, it is in what phase?
a)
interphase
b)
anaphase
c)
prophase
d)
telophase
23.
What portion of the cell cycle involves the actual dividing?
a)
interphase
b)
mitosis
c)
Gap 1
d)
Gap 2
24.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
25.
Before a cell can divide, what must happen?
a)
Nothing, it is always ready to divide
b)
The number of chromosomes must be cut in half
c)
The number of chromosomes must double
d)
The number of chromosomes must triple.
26.
In which type of cells will mitosis occur?
a)
egg cells
b)
sperm cells
c)
jail cells
d)
Body cells except the sperm and egg cells
27.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
28.
A is:
B is:
C is:
B is:
C is:
a)
A: chromatid
B: centromere
C: chromosome
B: centromere
C: chromosome
b)
A: chromosome
B: chromatid
C: centromere
B: chromatid
C: centromere
c)
A: chromosome
B: centromere
C: chromatid
B: centromere
C: chromatid
d)
A: centromere
B: chromosome
C: chromatid
B: chromosome
C: chromatid
29.
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
30.
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.
31.
How many chromosomes do humans have?
a)
46
b)
21
c)
10
32.
The time between cell divisions in the life cycle of the cell is called
a)
anaphase
b)
interphase
c)
prophase
d)
metaphase
33.
Where does a cell contain it's genetic material?
a)
nucleus
b)
nucleolus
c)
cytoskeleton
d)
golgi
34.
Mitosis has ____________ phases: Prophase, Metaphase, _____________ Telephase.
a)
four, Anaphase
b)
Seven, Cytokinesis
35.
A threadlike structure within the cells nucleus that contains DNA that is passed from one generation to the next is called _________________.
a)
Cytokinesis
b)
Chromosome
36.
Cells divide for ___________ main reasons: _________, repair, or reproduction.
a)
three, growth
b)
six, divide
37.
In the word Anaphase the prefix "Ana" means________________.
a)
A part
b)
Far
c)
Before
d)
Middle
38.
The results of Mitosis is
a)
Two identical cells
b)
Four cells that have half the genetic material of the parent
39.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
40.
What process does a multi-cellular organism use to replace its damaged body cells?
a)
mitosis
b)
meiosis
c)
replication
d)
transcription
41.
Before a cell can divide, what must happen?
a)
Nothing, it is always ready to divide
b)
The number of chromosomes must be cut in half
c)
The number of chromosomes must double
d)
The number of chromosomes must triple.
42.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
43.
In which type of cells will mitosis occur?
a)
egg cells
b)
sperm cells
c)
jail cells
d)
Body cells except the sperm and egg cells
44.
After meiosis is complete how many cells will there be?
a)
1
b)
2
c)
3
d)
4
45.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
46.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
47.
What type of environmental factors can be the cause of cancer?
a)
radiation from xrays or the sun
b)
chemicals
c)
smoking
d)
all of the options
48.
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
49.
What scientific process is being shown?
a)
Mixing
b)
Crossing under
c)
Crossing over
d)
square dancing
50.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
51.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
52.
The union of male and female gametes to form a zygote
a)
sperm
b)
egg
c)
fertilization
d)
tetrads
53.
The cell that results from the fusion of gametes; a fertilized egg
a)
sperm
b)
egg
c)
ovum
d)
zygote
54.
The process by which male gametes form
a)
oogenesis
b)
spermatogenesis
c)
fertilization
d)
crossing over
55.
If a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
56.
All of the offspring of an organism have the same genetic material, which is identical to the parent organism. From this, we can conclude that this organism -
a)
makes its own food
b)
is unicellular
c)
live in a marine habitat
d)
reproduces asexually
57.
Where does an off spring get its traits in asexual reproduction?
a)
From both parents
b)
From only one parent
c)
From neither parent
d)
There are no traits handed down
58.
Sexual reproduction requires _____ parents and asexual reproduction requires ___ parents
a)
1,1
b)
2,2
c)
2,1
d)
1,2
59.
What is an advantage of sexual reproduction?
a)
Allows genetic variation
b)
Only needs one parent
c)
Happens very quickly
d)
Offspring are exact copies of parent
60.
What sex chromosomes would a male have?
a)
XX
b)
XY
c)
YY
d)
Trisomy Y
61.
If a body cell has 10 chromosomes, how many does a sperm cell have from the same species?
a)
20
b)
10
c)
5
d)
40
62.
The end of meiosis results in ________ to each other.
a)
2 cells that are identical
b)
4 cells that are identical
c)
2 cells that are not identical
d)
4 cells that are not identical
63.
The union of sperm and egg cells to produce a diploid zygote
a)
Gametofusion
b)
Zygogenesis
c)
Fertilization
d)
Implantation
64.
Name that process
a)
Mitosis
b)
Meiosis
c)
Mutation
d)
Cell Cycle
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