Chalter 8 Quiz Flashcards

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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
Q

Anaphase

A

Centromeres split poles move farther apart sister chromatids are pulled to opposite poles

25
Q

Results in the production of four sperm cells

A

Meiosis

26
Q

Results in the production of one egg cell

A

Meiosis

27
Q

How is variation important to a species

A

Allows for genetic flexibility

28
Q

Produces haploid cells

A

Meiosis

29
Q

Occurs in all body cells

A

Mitosis

30
Q

Produces diploid cells

A

Mitosis

31
Q

Allows for genetic continuity

A

Both mitosis and meiosis

32
Q

Occurs in animals and flowering plants

A

Both mitosis and meiosis

33
Q

Involves two cell divisions

A

Meiosis

34
Q

Prokaryotic cells reproduce by a process called

A

Binary fission

35
Q

In eukaryotic cells DNA is copied during a phase of the cell cycle called

A

S phase

36
Q

The cytoplasm of a eukaryotic cell divides by a process called

A

Cytokinesis

37
Q

The fibers that extend form centrosomes to sent rose e during mitosis are

A

Polar fibers

38
Q

In the G0 phase cells

A

Exit for the cell cycle

39
Q

Gamete

A

Haploid reproductive cell

40
Q

Tetrad

A

Paired set of homologous chromosomes

41
Q

Independent assortment

A

Random separation of homogeous chromosomes during anaphase I

42
Q

Polar bodies

A

3 cells in oogeneous that dissolve

43
Q

During synapsis the

A

Chromosomes line up next to their homologues

44
Q

During crossing over portions of chromatids

A

Seperate from each other and move to opposite poles of the cell

45
Q

In which phase of meiosis do tetrads from

A

Prophase I

46
Q

Meiosis II

A

Separates chromatids into opposite poles of the cell

47
Q

In oogenesis a diploid reproductive cell divides meiotically to produce

A

One haploid gametes

48
Q

Describe two ways in which genetic recombination during meiosis

A

In Metaphase I crossing over

Anaphase I independent separation of homogeous chromosomes

49
Q

Four phases of meiosis I

A

Prophase I
Metaphase I
Anaphase I
Telophase I