La Biodiversité - Thème 4 Flashcards

1
Q

Inné

A

Synonyme pour trait héréditaire/atavique

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2
Q

Acquis

A

Un trait appris

Ex: Nager, des tattoos

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3
Q

Dominant

A

Trait gagnant/plus fort. Plus visible.

Ex: Yeux bruns

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4
Q

Récessif

A

Trait moins fort. La plupart de temps ce n’est pas visible.

Ex: Yeux bleus

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5
Q

Mutagène

A

Un substance qui cause les mutations.

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6
Q

Mutation

A

Un ‘erreur’ dans la reproduction des gènes ou cellules

Ex: Trisonomie 21 (Down syndrome)

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7
Q

Continue

A

Beaucoups de variances

Ex: Grandeur (174 cm, 174,7 cm)

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8
Q

Discrèt

A

Peu de variance, pas toujours visible

Ex: Type sanguin

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9
Q

Traits

A

Des caractéristiques que quelqu’un peut avoir

Ex: Tattoos, yeux verts

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10
Q

Héréditaires

A

Des trais hérités de tes parents (inné/ataviques)

Ex: Couleur de cheveux naturel, athlétisme

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11
Q

Génotype

A

Type de gène

Ex: B= Brun b= Bleu

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12
Q

Phénotype

A

Le trait qui s’exprime (trait gagnant)

Ex: Bb —­­­> Personne à des yeux bruns

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