Mitose/méiose Flashcards

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1
Q

G1

A

Interphase

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2
Q

S

A

Réplication semie-conservative de l’ADN

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3
Q

G2

A

Condensation de l’ADN

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4
Q

M (M1, M2)

A

Division cellulaire (mitose ou [méiose: 2 divisions])

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5
Q

Brassages alléliques lors de la méiose

A

Brassage interchromosomique (TP/TR)

Brassage intrachromosomique (chiasme+CO)

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6
Q

Moment du brassage intrachromosomique

A

Prophase I

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7
Q

Moment du brassage interchromosomique

A

Anaphase I

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8
Q

Gènes liés

A

Gènes sur le même chromosome

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9
Q

Gènes indépendants

A

Gènes sur deux chromosomes différents

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10
Q

Phases méiose

A

(Réplication) - PI/MI/AI/TI=PII/MII/AII/TII

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11
Q

Phases de la mitose

A

(Réplication)- Prophase/Métaphase/Anaphase/Télophase-(Cytodiérèse)

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12
Q

Chiasme

A

Croisement visible des chromatides de chromosomes homologues lors de la prophase I de méiose

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13
Q

Test cross

A

Croisement d’une lignée pure P2(parent 2 récessif) avec une génération F1 (fille 1 hétérozygote) issue du croisement de 2 lignée pure P1×P2 (P1 lignée dominante) afin de laisser s’exprimer les associations alléliques

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14
Q

Notation phénotype (pour des gènes A et B dominants)

A

[ A , B ]

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15
Q

Notation du génotype (pour des gènes A,a et B,b, hétérozygote)

A

A B
_ ;_
_ _
a b

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16
Q

Haploïde

A

Pas de paire de chromosomes homologues (n)

17
Q

Diploïde

A

Paires de chromosomes homologues (2n)

18
Q

Types de mutations

A

Insersion, Substitution, Inversion, Addition