1

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?

35

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?

70

71

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?

117

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?

128

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?