Test 3 Flashcards

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1
Q

But du mitose

A

Creer 2 celleules dipolide identique au cellule mere

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2
Q

Mitose-interphase

A

(G1, S, G2) croissance, Replication D’ADN, synthese des proteins, dernier preparations

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3
Q

Mitose-prophase

A

Formation du fibre fusoriales, condense chromatine en chromosomes, fragmentation du membrane nucleaire, disparations. du nucleotide

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4
Q

Mitose-metaphase

A

chromatides fixent au ff et ils sont placer au centre du cellule, forme le plaque equatoriale

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5
Q

mitose-Telephase

A

chromosomes deroulent et forme chromatine, membrane nucleaire et nucleole reforme, ff disparu

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6
Q

cytocinese

A

division du cytoplasme, membrane nucleaire pince en des cellules d’animales. Membrane at paroi cellulaire se forme en l’equateur pour des cellules vegetal

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7
Q

Centromere

A

protein qui garde les chromatides soeurs ensemble

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8
Q

chromatine

A

chromosomes sous forme de filiformes du noyau

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9
Q

chromosomes

A

chaque cellule humaine a 46

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10
Q

chromatide

A

un moite du chromosome repliquer

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11
Q

chromatides soeurs

A

chromatides du meme chromosome

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12
Q

meiose- prophase 1

A

chromosomes homologues se mettre ensemble pour former les tetrades, enjambent arrive

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13
Q

meiose- metaphase 1

A

chromosomes homologues se mettre au centre d’equateur

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14
Q

meiose- anaphase 1

A

fibre fusoriales bougent les chromosomes homologues au poles opposer par attacher au centremere

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15
Q

meiose-telephase1

A

le cytoplasme se divise, deux cellules filles se forme(haploide), les fibres fusoriales dusparu

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16
Q

meiose- prophase 2

A

chromatides dorme les chromosomes, nucleoles disparaissent et le cytosquelette du microtubles de reorganise pour former les fibers fusoriales

17
Q

meiose-metephase 2

A

chromosomes se mettre au centre d’equateur (pas dans les chromosomes homologues)

18
Q

meiose- anaphase 2

A

les chromatides se separent au poles oppose

19
Q

meiose-telephase 2

A

la membrane nucleaire reforme, ff disparu, cytoplasme divise et 4 cellules filles (diploide se forme)

20
Q

enjambent

A

quand 2 chromatides non-soeurs enchangent des genes durant la prophase de meiose 1, premettre la recombanison des genes

21
Q

chromosomes homologues

A

contient les memes sequence genetique mais ne peuvent pas etre former des meme alleles (meiose 1)

22
Q

corps polaire

A

petit cellule d’un division integrale du cytoplasme (plus de nutriments d’ovule), ne deviendra pas une cellule sexuelle viable l’autre c’est ovocyte

23
Q

trisomie

A

zygote a un chromosomes supplementaire

24
Q

monosomie

A

zygote manque un chromosome

25
Q

non-disjunction

A

chromosomes ne separent pas correctement en meiose, ils provoquent l’addition ou deletation

26
Q

caryotype

A

representation des chromosomes du noyau d’une cellule pendant meiose 1