la meiose - mots cles Flashcards

1
Q

gametes

A

cellules sexuelles

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2
Q

spermatozoïdes

A

gametes males

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3
Q

ovules

A

gametes femelles

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4
Q

gonades

A

organes sexuelles

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5
Q

ovaires

A

gonades femelles

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6
Q

testicules

A

gonades males

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7
Q

diploïde

A

a cell with paired chromosomes, complete number of chromosomes (46 for humans)

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8
Q

haploïde

A

a cell with half of the chromosomes (23 for humans)

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9
Q

chromosomes

A

hold DNA

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10
Q

homologues

A

les chromosomes d’une même paire qui ont la même grandeur, forme, position du centromère

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11
Q

somatiques

A

cellules non-sexuelles

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12
Q

fécondation

A

fertilization, quand un ovule joint a un spermatozoide

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13
Q

zygote

A

la premiere cellule de la vie

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14
Q

fœtus

A

embryon apres 8 semaines

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15
Q

embryon

A

les 8 semaines avant l’organisme devient un foetus

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16
Q

ADN

A

acide desoxyribonucleique

17
Q

réplication

A

la deuxieme etape de la meiose

18
Q

réduction

A

la premier etape de la mitose

19
Q

caryotype

A

Un caryotype est l’arrangement standard de l’ensemble des chromosomes d’une cellule