Name: _____________________
Unit 9: Review Packet
Date: __________/Page#: ______
Mr. Jensen/Period: ____
Cell division and mitosis review
Vocabulary: Define each of the following words.
Cell division: __________The way that cells split to form new cells. ________________________
______________________________________________________________________________
Mitosis: ______________Method of cell division, specifically the copying of the nucleus of a cell _
______________________________________________________________________________
Binary fission: _________Method of asexual reproduction where a single parent cell divides into
two offspring ____________________________________________________________________
Asexual: _____________New organisms created from one single parent ____________________
______________________________________________________________________________
Chromosomes: ________The term used to describe the coiled chromatin within a cell’s nucleus __
______________________________________________________________________________
Chromatin: ____________________ The term used to describe the uncoiled chromosomes
______________________________________________________________________________
Parent cell: ____________________ The cell that prepares for cell division and the divides ____
______________________________________________________________________________
Daughter cell: __________________ The cell that is produced after cell division _____
______________________________________________________________________________
DNA: _______________________The long molecule that is the blueprint of life ______________
______________________________________________________________________________
Genes: __________ Part of the chromosomes that controls the traits of an organism ___________
______________________________________________________________________________
List: Give the four reasons why cells divide.
a. ______Repair/Replacement______
b. ______Growth/Development__________
c. _____Asexual Reproduction (Binary Fission)_________
d. ______Cell gets too big_____
Fill-in: Fill in the parts of the cell cycle and the blanks in the paragraph below.
prophase
interphase
metaphase
anaphase
telophase
The final step in cell division is ______cytokinesis_____. This is when the new cell membrane
forms in both ______animal_____ and _______plant_______ cells. New cell walls form around
________ plant ________ cells only. The ______cytoplasm______ is also divided between the
two new cells.
Math: For each of the examples below, fill in the correct number of chromosomes.
The fruit fly has 8 chromosomes
The Ophioglossum reticulatum fern has
1200 chromosomes (highest found)
Parent cell
Parent cell
8
1200
Parent cell after
chromosomes are copied
Parent cell after
chromosomes are copied
16
2400
Daughter cell
Daughter cell
Daughter cell
Daughter cell
8
8
1200
1200
Identification: Number the following six diagrams of the stages of mitosis in animal cells in the
proper order, and then label each stage with the proper name.
Use the names below for labeling
the accompanied diagrams
1. Interphase
2. Prophase
__6____
__1___
___5___
3. Prometaphase
4. Metaphase
5. Anaphase
6. Telophase and Cytokinesis
__2___
__3____
__4_____
Mitosis and Meiosis Review
Part I: Why?
1. List the reasons why a cell would divide by mitosis:
e. ______Repair/Replacement______
f. ______Growth/Development__________
g. _____Asexual Reproduction (Binary Fission)_________
h. ______Cell gets too big_____
2. List the reason why a cell would divide by meiosis:
i.
_______To create sex cells (Gametes)______
Part II: Where?
Use the words in the word bank to fill in the following:
Kidney
Ovaries (female reproductive organ)
Testes (male reproductive organ)
Skin
3. Where would mitosis typically occur?
j.
_________Kidney_______
k. ____________ Skin ______________
4. Where would meiosis typically occur?
l.
______ Ovaries (female reproductive organ)
m. ______ Testes (male reproductive organ)_____
Part III: Who?
Circle the correct answer.
5. Mitosis creates…
n. 2 Identical diploid (2n) cells
o. 4 different haploid (n) gametes
6. Meiosis creates…
p. 2 Identical diploid (2n) cells
q. 4 different haploid (n) gametes
Part IV: What?
For each of the examples below, fill in the correct number of chromosomes.
a. Fruit fly body cell: 8 Chromosomes
Mitosis
Parent cell
8
Parent cell after
chromosomes are
copied
16
Daughter cell
Daughter cell
8
8
b. Human body cell: 46 Chromosomes
Meiosis
Parent cell
46
Parent cell after
chromosomes are copied
92
Daughter cell I
Daughter cell I
46
46
Daughter cell II: gamete
Daughter cell II: gamete
23
23
Daughter cell II: gamete
Daughter cell II: gamete
23
23
Now reverse them and try Mitosis for humans and Meiosis for alligators!