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Ush > Meiosis mitosis > Flashcards

Meiosis mitosis Flashcards

1
Q

Gametes

A

Sex cells

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2
Q

What division produces games

A

Meiosis

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3
Q

Are the cells after meiosis the same or different

A

Different

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4
Q

Are the cells in mitosis same or different compared to parent cell

A

Same

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5
Q

Dolphins have 44 chromosomes if a female produces egg cells how many chromosomes will be in the egg

A

22

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6
Q

Diploid

A

Contain full set of chromosomes

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7
Q

Haploid

A

Contains 1/2 the chromosomes

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8
Q

12 chromosomes in sperm what’s the haploid

A

12

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9
Q

Haploid 12 diploid:

A

24

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10
Q

Homologous chromosomes

A

Code for the same trait but maybe different versions

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11
Q

Each organism has 2 alleles for every gene

Where from

A

Mom dad

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12
Q

What stage to homologous chromosomes come together

A

Prophase 1

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13
Q

Crossing over

A

Group of genes are swapped so baby can inherit combos of dna

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14
Q

Independent assortment

A

Chromosomes line up independently, 8.3 mil possibilities

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14
Q

Relationship of cells between end of meiosis 2 and original cell

A

New cells has one copy of half of the genetic information of the original cell

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15
Q

S phase

A

increased amount of dna im cells, Through dna replication

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16
Q

Interphase

A

Period between cell divisions

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16
Q

End of mitosis how much dna is In each daughter dell compared to original

A

twice the amount of dna as parent cell

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17
Q

G0

A

Waite for signal to divide

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18
Q

G1

A

Cell gets bigger

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19
Q

S

A

Dan replicates to make 2 copies

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19
Q

G2

A

Organelles replicate

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20
Q

prophase

A

“Pop” nucleus opens spindles form

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21
Q

Metaphase

A

“Middle” chromosomes align in middle of cell

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22
Q

Anaphase

A

“Apart” sister chromatids pulled apart

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23
Q

Telophase

A

“Two” cell membrane punches making two cells visible

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24
Q

Sexual reproduction

A

Mom and dad, provides diversity, meiosis, different

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25
Q

Asexual reproduction

A

By itself, same traits, mitosis,

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26
Q

Cytokinesis

A

Cytoplasm divides

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27
Q

Growth factors

A

Protien secreted by a cell that stimulates growth

28
Q

Density dependent inhibition

A

Cells grow until they run out of space

29
Q

M phase

A

Asks did all dna connect to spindles

30
Q

Centriole

A

Organelles that makes spindle

31
Q

Spindle

A

Ropelike protiems that pull chromosomes around cell

32
Q

Chromosome

A

Makes of chromatin, coiled, dna wrapped around proteins

33
Q

Centromere

A

Gold sister chromatids together

34
Q

Cyclin

A

Protien that binds to cdk fo make mpf

35
Q

Mpf

A

Helps break apart nuclear membrane so mitosis can occur

36
Q

Homologous chromosomes

A

Same genes different alleles

37
Q

Sister chromatids

A

1/2 duplicated chromosome makes identical copies

38
Q

Meiosis

A

Produces gametes, results in. 4 cells, two divisions make place,

39
Q

Mitosis

A

Produces identical daughter cells . Produces diploid cells

40
Q

Blood cells are

A

Diploid cells

41
Q

Gametes haploid or diplooid

A

Haploid

42
Q

Crossing over

A

Chromosomes trade pieces during prophase 1

43
Q

Independent assortment

A

Chromosomes align randomly during metaphase 1

44
Q

Miosis

A

Dividing genetic material to create sex cells

45
Q

Diploid chameleon 20

  1. # cells after g22.# chromosomes after meiosis
  2. After fertilization
A

1 40
2 10
3 20

46
Q

Growth factors

A

Growth factors bind to receptor protiems causing protiems in the cell fo be phosphorylated to promote cell division

47
Q

cells before and after meiosis

A

Half

48
Q

Crossing over occurs in

A

Meiosis only

49
Q

Meiosis results in

A

4 cells different form each other

50
Q

How many divisions in meiosis

A

2

51
Q

After meiosis 1 how many dells are there

A

4

52
Q

Homologous chromosomes

A

Same games same size

53
Q

Crossing over

A

Transfer of genetic information in prophase 1

54
Q

Types of body cells made in mitosis

A

Skin, stomach

55
Q

Spindle fiber role

A

Separates chromosomes

56
Q

G2

A

Organelles replicate, makes sure dna was copied correctly

57
Q

S

A

D a replicates

58
Q

M

A

Makes sure chromosomes are lined up at the equator

59
Q

Kinase

A

Enzyme that provides energy for cell division

60
Q

Mpf

A

Provides energy so chromosomes can move around cell

61
Q

Apoptosis

A

Cell death

62
Q

What does g1 ask what is it controlled by

A

Enough space and food?

P53

63
Q

Cyclin

A

binds with cdk to make mpf

64
Q

Mpf

A

Helps break nuclear membrane to make mitosis happen

65
Q

What does g2 ask

A

Was dna copied correcflt

66
Q

M checkpoint asks?

A

During metaphase, did all dna connect to spindles

67
Q

Meiosis

A

4 different cells, contains 1/2 chromosomes as parents cell

68
Q
A
69
Q
A
70
Q
A
71
Q
A

Ush (20 decks)

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