Chalter 8 Quiz Flashcards

0
Q

Second stage of mitosis

A

Metaphase

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1
Q

Fertilized egg

A

Zygote

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2
Q

Region where two chromatids join

A

Centromere

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3
Q

Final stage of mitosis

A

Telophase

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4
Q

Fusion of egg and sperm

A

Fertilization

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5
Q

Non reproducing stage of cell cycle

A

Interphase

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6
Q

Interphase and mitosis, together

A

Cell cycle

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7
Q

Either of two strands that together form a chromosome

A

Chromatid

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8
Q

Result of meiosis in plants mad fungi

A

Spore

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9
Q

Forms the plasma membrane of two new plant cells

A

Cell plate

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10
Q

First stage of mitosis

A

Prophase

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11
Q

Either of the two kinds of sex cells

A

Gamete

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12
Q

Cell reproduction in prokaryotes

A

Binary fission

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13
Q

Process by which gametes are formed from diploid nuclei

A

Meiosis

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14
Q

Structure located between the centrioles of a cell

A

Spindle

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15
Q

Containing one chromosome of each homologous pair

A

Haploid

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16
Q

Part of the cell cycle usually accompanied by cell division

A

Mitosis

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17
Q

Having two of each chromosome

A

Diploid

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18
Q

Each of two chromosomes with identical structures

A

Homologue

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19
Q

Third stage of mitosis

A

Anaphase

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20
Q

Genetic recombination

A

Reordering of chromosome to produce different features

21
Q

Telophase

A

Final stage of mitosis nucleoli reappear nuclear membrane forms around each new set of chromosomes in plants, cell plate appears

22
Q

Metaphase

A

Chromosomes become attached to the spindle chromosomes become aligned along the equator

23
Q

Prophase

A

Nucleoli disappear nuclear membrane disintegrates chromosomes become distinct spindle is formed

24
Anaphase
Centromeres split poles move farther apart sister chromatids are pulled to opposite poles
25
Results in the production of four sperm cells
Meiosis
26
Results in the production of one egg cell
Meiosis
27
How is variation important to a species
Allows for genetic flexibility
28
Produces haploid cells
Meiosis
29
Occurs in all body cells
Mitosis
30
Produces diploid cells
Mitosis
31
Allows for genetic continuity
Both mitosis and meiosis
32
Occurs in animals and flowering plants
Both mitosis and meiosis
33
Involves two cell divisions
Meiosis
34
Prokaryotic cells reproduce by a process called
Binary fission
35
In eukaryotic cells DNA is copied during a phase of the cell cycle called
S phase
36
The cytoplasm of a eukaryotic cell divides by a process called
Cytokinesis
37
The fibers that extend form centrosomes to sent rose e during mitosis are
Polar fibers
38
In the G0 phase cells
Exit for the cell cycle
39
Gamete
Haploid reproductive cell
40
Tetrad
Paired set of homologous chromosomes
41
Independent assortment
Random separation of homogeous chromosomes during anaphase I
42
Polar bodies
3 cells in oogeneous that dissolve
43
During synapsis the
Chromosomes line up next to their homologues
44
During crossing over portions of chromatids
Seperate from each other and move to opposite poles of the cell
45
In which phase of meiosis do tetrads from
Prophase I
46
Meiosis II
Separates chromatids into opposite poles of the cell
47
In oogenesis a diploid reproductive cell divides meiotically to produce
One haploid gametes
48
Describe two ways in which genetic recombination during meiosis
In Metaphase I crossing over Anaphase I independent separation of homogeous chromosomes
49
Four phases of meiosis I
Prophase I Metaphase I Anaphase I Telophase I