Méiose Flashcards

1
Q
A
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2
Q

Definition de la Méiose

A

Mode de division cellulaire pour former les gamètes en vue de reproduction sexuée

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3
Q

Gamètes Femmelles

A

Ovules

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4
Q

Gamètes Males

A

Spermatozoides

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5
Q

Prophase 1 (Méiose)
DÉBUT DE LA MÉIOSE

A

ADN se condense pour former des chromosomes.
Elle forme ensuite deux paires de chromosomes

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6
Q

Métaphase 1 (Méiose)

A

Paires de chromosomes s’alignent au centre

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7
Q

Anaphase 1 (Méiose)

A

Paires de chromosomes se s’éparent et vont de côtés opposés

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8
Q

Télophase 1 (Méiose)

A

La cellule se divise en deux

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9
Q

Métaphase 2 (Méiose)

A

Chromosomes s’alignent au centre des deux cellules

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10
Q

Anaphase 2 (Méiose)

A

Chromosomes se séparent en chromatides et vont au côtés opposés

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11
Q

Télophase 2 (Méiose)
FIN DE LA MÉIOSE

A

Cellules se divisent en deux

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12
Q

Cellules filles sont ____ ____ entre elles
(Méiose)

A

Cellules filles sont GÉNÉTIQUEMENT DIFFÉRENTES entre elles

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13
Q

Combien de chromosomes y’a t’il à la fin de la Méiose?

A

23 chromosomes

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