2
Chromosome Chromosome StructureStructure
3
Chromosome Chromosome NumberNumber
4
Prokaryotic Prokaryotic Cell DivisionCell Division
5
Eukaryotic Eukaryotic Cell Cell
DivisionDivision
6
Cell CycleCell Cycle
7
CytokinesisCytokinesis
8
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Chromosome
Structure
Chromosome
Number
Prokaryotic Cell Division
Eukaryotic Cell
Division
Cell Cycle
Cytokinesis
9
This molecule This molecule makes up makes up
ChromosomesChromosomes
10
What is DNA?What is DNA?
11
Eukaryotic Eukaryotic DNA coils DNA coils
around these around these proteinsproteins
12
What are What are Histones?Histones?
13
Six billion pairs Six billion pairs of these make of these make
up DNA up DNA (monomer)(monomer)
14
What are What are nucleotides?nucleotides?
15
Control Control activity of cellactivity of cell
16
What is the What is the nucleus?nucleus?
17
Identical Identical halves of a halves of a
chromosomechromosome
18
What are sister What are sister chromatids?chromatids?
19
Chromosome Chromosome number found number found
in human in human somatic cellssomatic cells
20
What is 46?What is 46?
21
Last two Last two possible possible
chromosomes chromosomes on a karyotypeon a karyotype
22
What is XX or What is XX or XY (sex XY (sex
chromosomes)chromosomes)??
23
Human egg and Human egg and sperm with only sperm with only 23 chromosomes 23 chromosomes
have this have this chromosome chromosome
numbernumber
24
What is 1n or What is 1n or haploid?haploid?
25
All the All the chromosomes in chromosomes in
an organism an organism except X and Yexcept X and Y
26
What are What are autosomes?autosomes?
27
Number of copies Number of copies of each of each
autosome found autosome found in the body cell in the body cell of an organismof an organism
28
What is two?What is two?
29
Example of a Example of a common common
prokaryoteprokaryote
30
What are What are bacteria?bacteria?
31
Characteristic Characteristic that groups all that groups all
Prokaryotes Prokaryotes togethertogether
32
What is no What is no nucleus & no nucleus & no membrane-membrane-
bound bound organelles?organelles?
33
How long it takes How long it takes for a typical for a typical
bacterial cell to bacterial cell to reproducereproduce
34
What is twenty What is twenty minutes?minutes?
36
Division of Division of prokaryotic cells prokaryotic cells
is called thisis called this
37
What is binary What is binary fission?fission?
38
Comparison of Comparison of daughter cells daughter cells formed when a formed when a bacterial cell bacterial cell
dividesdivides
39
What is What is identical?identical?
40
Organelle in Organelle in eukaryotes eukaryotes
where DNA is where DNA is foundfound
41
What is the What is the nucleus?nucleus?
42
Division of body Division of body cells is called cells is called
thisthis
43
What is mitosis?What is mitosis?
44
Cell division that Cell division that occurs in the occurs in the
ovaries & testesovaries & testes
45
What is Meiosis?What is Meiosis?
46
Most common Most common type of type of
reproduction reproduction used by used by
unicellular unicellular eukaryoteseukaryotes
47
What is mitosis?What is mitosis?
48
Fastest method Fastest method of reproduction of reproduction in eukaryotesin eukaryotes
49
What is mitosis?What is mitosis?
50
The longest The longest phase of the cell phase of the cell
cyclecycle
51
What is What is interphase?interphase?
52
Shortest phase Shortest phase of the cell cycleof the cell cycle
53
What is What is cytokinesis?cytokinesis?
54
Phase of the cell Phase of the cell cycle in which cycle in which the nucleus the nucleus
dividesdivides
55
What is mitosis?What is mitosis?
56
Phase of the cell Phase of the cell cycle when DNA cycle when DNA
is copiedis copied
57
What is the S What is the S phase?phase?
58
Phase where Phase where cells exit the cell cells exit the cell cycle and don’t cycle and don’t divide or copy divide or copy
DNADNA
59
What is the GWhat is the Goo phase?phase?
60
This part of a cell This part of a cell undergoes undergoes
divisiondivision
61
What is What is cytokinesis?cytokinesis?
62
Cytokinesis Cytokinesis begins during begins during
this mitotic stagethis mitotic stage
63
What is What is telophase?telophase?
64
This forms and This forms and divides animal divides animal
cellscells
65
What is a What is a cleavage furrow?cleavage furrow?
66
This forms and This forms and divides plant divides plant
cellscells
67
What is a cell What is a cell plate?plate?
68
The amount of The amount of organelles a cell organelles a cell has immediately has immediately
following following cytokinesiscytokinesis
69
What is one-half?What is one-half?
72
Mitotic Mitotic SpindleSpindle
73
Division of Division of Body CellsBody Cells
74
Prefixes and Prefixes and SuffixesSuffixes
75
Meiosis IMeiosis I
76
Meiosis IIMeiosis II
77
GametogeneGametogenesissis
78
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Mitotic Spindl
e
Division of Body
Cells
Prefixes &
SuffixesMeiosi
s IMeiosi
s IIGametogenesis
79
Mitotic phase in Mitotic phase in which the which the
spindle begins spindle begins to formto form
80
What is What is prophase?prophase?
81
Pair of cylindrical Pair of cylindrical bodies in animal bodies in animal cells that forms cells that forms
the spindlethe spindle
82
What are What are centrioles?centrioles?
83
Spindle fibers Spindle fibers are made of are made of
these structures these structures found in the found in the cytoplasmcytoplasm
84
What are What are microtubules?microtubules?
85
Spindle fibers Spindle fibers that attach to that attach to
the centromere the centromere of a chromosome of a chromosome
pairpair
86
What are What are kinetochore kinetochore
fibers?fibers?
87
Spindle fibers Spindle fibers that extend that extend completely completely
across a dividing across a dividing cellcell
88
What are polar What are polar fibers?fibers?
89
Another name for Another name for body cellsbody cells
90
What are somatic What are somatic cells?cells?
91
Chromosome Chromosome number found in number found in human body cellshuman body cells
92
What is 46 or 2n?What is 46 or 2n?
93
Type of Type of reproduction reproduction used by body used by body
cellscells
94
What is asexual?What is asexual?
95
Two examples of Two examples of cells in humans cells in humans
that aren’t called that aren’t called “body cells”“body cells”
96
What are eggs & What are eggs & sperm?sperm?
97
Type of cell in Type of cell in the body that the body that
does not does not undergo cell undergo cell
divisiondivision
98
What are nerve What are nerve cells?cells?
99
Prefix meaning Prefix meaning twotwo
100
What is di-?What is di-?
101
Suffix meaning Suffix meaning cellcell
102
What is –cyte?What is –cyte?
103
Prefix meaning Prefix meaning middlemiddle
104
What is meta-?What is meta-?
105
Prefix meaning Prefix meaning the samethe same
106
What is homo-?What is homo-?
107
Prefix meaning Prefix meaning eggegg
108
What is oo-?What is oo-?
109
Phase in which Phase in which DNA coils into DNA coils into chromosomeschromosomes
110
What is Prophase What is Prophase I?I?
111
Two structures Two structures that that
disassemble at disassemble at the beginning of the beginning of
Meiosis IMeiosis I
112
What is the What is the nucleolus & nucleolus &
nuclear nuclear envelope?envelope?
113
The pairing of The pairing of homologous homologous
chromosomeschromosomes
114
What is What is synapsis?synapsis?
115
Number of Number of chromosomes in chromosomes in
a tetrada tetrad
116
What is four?What is four?
118
Exchange of Exchange of genes that genes that
occurs during occurs during Meiosis IMeiosis I
119
What is crossing-What is crossing-over?over?
120
This process This process occurs before occurs before
Meiosis I, but Not Meiosis I, but Not before Meiosis IIbefore Meiosis II
121
What is copying What is copying DNA?DNA?
122
Spindle fibers Spindle fibers reform in this reform in this
phasephase
123
What is Prophase What is Prophase II?II?
124
Chromosomes Chromosomes are found here are found here
during during Metaphase IMetaphase I
125
What is the What is the equator?equator?
126
Organs in which Organs in which Meiosis occursMeiosis occurs
127
What are the What are the testes and testes and ovaries?ovaries?
129
Chromosome Chromosome number of cells number of cells
at the end of at the end of Meiosis IIMeiosis II
130
What is 1n or What is 1n or haploid?haploid?
131
Another name for Another name for reproductive reproductive
cells such as the cells such as the egg & spermegg & sperm
132
What are What are gametes?gametes?
133
Production of Production of sperm cellssperm cells
134
What is What is spermatogenesisspermatogenesis
??
135
Number of sperm Number of sperm cells formed cells formed
during during GametogenesisGametogenesis
136
What is four?What is four?
137
These small cells These small cells degenerate degenerate
during oogenesisduring oogenesis
138
What are polar What are polar bodies?bodies?
139
Chromosome Chromosome number found in number found in
a human a human spermatidspermatid
140
What is 1n = 23?What is 1n = 23?
141
Chromosomes with Chromosomes with identical size, shape, & identical size, shape, &
traits, but different allelestraits, but different alleles
142
What are What are Homologs?Homologs?