Meiosis mitosis Flashcards

(74 cards)

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
Anaphase
“Apart” sister chromatids pulled apart
23
Telophase
“Two” cell membrane punches making two cells visible
24
Sexual reproduction
Mom and dad, provides diversity, meiosis, different
25
Asexual reproduction
By itself, same traits, mitosis,
26
Cytokinesis
Cytoplasm divides
27
Growth factors
Protien secreted by a cell that stimulates growth
28
Density dependent inhibition
Cells grow until they run out of space
29
M phase
Asks did all dna connect to spindles
30
Centriole
Organelles that makes spindle
31
Spindle
Ropelike protiems that pull chromosomes around cell
32
Chromosome
Makes of chromatin, coiled, dna wrapped around proteins
33
Centromere
Gold sister chromatids together
34
Cyclin
Protien that binds to cdk fo make mpf
35
Mpf
Helps break apart nuclear membrane so mitosis can occur
36
Homologous chromosomes
Same genes different alleles
37
Sister chromatids
1/2 duplicated chromosome makes identical copies
38
Meiosis
Produces gametes, results in. 4 cells, two divisions make place,
39
Mitosis
Produces identical daughter cells . Produces diploid cells
40
Blood cells are
Diploid cells
41
Gametes haploid or diplooid
Haploid
42
Crossing over
Chromosomes trade pieces during prophase 1
43
Independent assortment
Chromosomes align randomly during metaphase 1
44
Miosis
Dividing genetic material to create sex cells
45
Diploid chameleon 20 1. #cells after g2 2.# chromosomes after meiosis 3. After fertilization
1 40 2 10 3 20
46
Growth factors
Growth factors bind to receptor protiems causing protiems in the cell fo be phosphorylated to promote cell division
47
# cells before and after meiosis
Half
48
Crossing over occurs in
Meiosis only
49
Meiosis results in
4 cells different form each other
50
How many divisions in meiosis
2
51
After meiosis 1 how many dells are there
4
52
Homologous chromosomes
Same games same size
53
Crossing over
Transfer of genetic information in prophase 1
54
Types of body cells made in mitosis
Skin, stomach
55
Spindle fiber role
Separates chromosomes
56
G2
Organelles replicate, makes sure dna was copied correctly
57
S
D a replicates
58
M
Makes sure chromosomes are lined up at the equator
59
Kinase
Enzyme that provides energy for cell division
60
Mpf
Provides energy so chromosomes can move around cell
61
Apoptosis
Cell death
62
What does g1 ask what is it controlled by
Enough space and food? P53
63
Cyclin
binds with cdk to make mpf
64
Mpf
Helps break nuclear membrane to make mitosis happen
65
What does g2 ask
Was dna copied correcflt
66
M checkpoint asks?
During metaphase, did all dna connect to spindles
67
Meiosis
4 different cells, contains 1/2 chromosomes as parents cell
68
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