Important Flashcards

1
Q

De quoi est constituer une cellules ouef

A

D’une membrane entourant le cytoplasme dans lequel baigne lee noyau.
Il va se diviser pour donner 2 cellule qui a leur tour vont se diviser pour donner 4 cellules etc…

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2
Q

Apres 3 moi de grossesse

A

On parle de foetus

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3
Q

Chaque espece

A

Possede un caryotype

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4
Q

Ou se trouve les informations genetique

A

Dans le noyau

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5
Q

De quoi sont constitués lees chromosomes

A

De molecules d’ADN ou acide désoxyribonucléique

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6
Q

Que se passe t-il quand l’ADN se pelotonne

A

Les chromosomes deviennent des bâtonnets visibles

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7
Q

Que forme l’ensemble des chromosomes d’une cellule

A

C’est le support du patrimoine genetique

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8
Q

Particularités des chromosomes

A

Ils sont responsable des caractères chez un individu car il porte des genes

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9
Q

Particularité noyau

A

Il contient environ 25k genes

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10
Q

Les groupes sannguin

A

A , B , AB , O

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11
Q
A
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